20409790912

素因数分解:

$2^6\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{631}}^1$

素因数の和:835

約数の個数: 224

約数和(自身を含む): 51040198656

約数和(自身を除く): 30630407744

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 31, 32, 34, 56, 62, 64, 68, 112, 119, 124, 136, 137, 217, 224, 238, 248, 272, 274, 434, 448, 476, 496, 527, 544, 548, 631, 868, 952, 959, 992, 1054, 1088, 1096, 1262, 1736, 1904, 1918, 1984, 2108, 2192, 2329, 2524, 3472, 3689, 3808, 3836, 4216, 4247, 4384, 4417, 4658, 5048, 6944, 7378, 7616, 7672, 8432, 8494, 8768, 8834, 9316, 10096, 10727, 13888, 14756, 15344, 16303, 16864, 16988, 17668, 18632, 19561, 20192, 21454, 29512, 29729, 30688, 32606, 33728, 33976, 35336, 37264, 39122, 40384, 42908, 59024, 59458, 61376, 65212, 67952, 70672, 72199, 74528, 75089, 78244, 85816, 86447, 118048, 118916, 130424, 135904, 136927, 141344, 144398, 149056, 150178, 156488, 171632, 172894, 236096, 237832, 260848, 271808, 273854, 282688, 288796, 300356, 312976, 332537, 343264, 345788, 475664, 505393, 521696, 547708, 577592, 600712, 605129, 625952, 665074, 686528, 691576, 951328, 1010786, 1043392, 1095416, 1155184, 1201424, 1210258, 1251904, 1330148, 1383152, 1469599, 1902656, 2021572, 2190832, 2310368, 2327759, 2402848, 2420516, 2660296, 2679857, 2766304, 2939198, 4043144, 4381664, 4620736, 4655518, 4805696, 4841032, 5320592, 5359714, 5532608, 5878396, 8086288, 8763328, 9311036, 9682064, 10287193, 10641184, 10719428, 11756792, 16172576, 18622072, 18758999, 19364128, 20574386, 21282368, 21438856, 23513584, 32345152, 37244144, 37517998, 38728256, 41148772, 42877712, 45557569, 47027168, 74488288, 75035996, 82297544, 85755424, 91115138, 94054336, 148976576, 150071992, 164595088, 171510848, 182230276, 300143984, 318902983, 329190176, 364460552, 600287968, 637805966, 658380352, 728921104, 1200575936, 1275611932, 1457842208, 2551223864, 2915684416, 5102447728, 10204895456, 20409790912]

約数ペア:

[(1, 20409790912), (2, 10204895456), (4, 5102447728), (7, 2915684416), (8, 2551223864), (14, 1457842208), (16, 1275611932), (17, 1200575936), (28, 728921104), (31, 658380352), (32, 637805966), (34, 600287968), (56, 364460552), (62, 329190176), (64, 318902983), (68, 300143984), (112, 182230276), (119, 171510848), (124, 164595088), (136, 150071992), (137, 148976576), (217, 94054336), (224, 91115138), (238, 85755424), (248, 82297544), (272, 75035996), (274, 74488288), (434, 47027168), (448, 45557569), (476, 42877712), (496, 41148772), (527, 38728256), (544, 37517998), (548, 37244144), (631, 32345152), (868, 23513584), (952, 21438856), (959, 21282368), (992, 20574386), (1054, 19364128), (1088, 18758999), (1096, 18622072), (1262, 16172576), (1736, 11756792), (1904, 10719428), (1918, 10641184), (1984, 10287193), (2108, 9682064), (2192, 9311036), (2329, 8763328), (2524, 8086288), (3472, 5878396), (3689, 5532608), (3808, 5359714), (3836, 5320592), (4216, 4841032), (4247, 4805696), (4384, 4655518), (4417, 4620736), (4658, 4381664), (5048, 4043144), (6944, 2939198), (7378, 2766304), (7616, 2679857), (7672, 2660296), (8432, 2420516), (8494, 2402848), (8768, 2327759), (8834, 2310368), (9316, 2190832), (10096, 2021572), (10727, 1902656), (13888, 1469599), (14756, 1383152), (15344, 1330148), (16303, 1251904), (16864, 1210258), (16988, 1201424), (17668, 1155184), (18632, 1095416), (19561, 1043392), (20192, 1010786), (21454, 951328), (29512, 691576), (29729, 686528), (30688, 665074), (32606, 625952), (33728, 605129), (33976, 600712), (35336, 577592), (37264, 547708), (39122, 521696), (40384, 505393), (42908, 475664), (59024, 345788), (59458, 343264), (61376, 332537), (65212, 312976), (67952, 300356), (70672, 288796), (72199, 282688), (74528, 273854), (75089, 271808), (78244, 260848), (85816, 237832), (86447, 236096), (118048, 172894), (118916, 171632), (130424, 156488), (135904, 150178), (136927, 149056), (141344, 144398)]