20949552

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1$

素因数の和:96

約数の個数: 180

約数和(自身を含む): 68787264

約数和(自身を除く): 47837712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 31, 36, 38, 39, 48, 52, 57, 62, 72, 76, 78, 93, 104, 114, 117, 124, 144, 152, 156, 171, 186, 208, 228, 234, 247, 248, 279, 304, 312, 342, 361, 372, 403, 456, 468, 494, 496, 558, 589, 624, 684, 722, 741, 744, 806, 912, 936, 988, 1083, 1116, 1178, 1209, 1368, 1444, 1482, 1488, 1612, 1767, 1872, 1976, 2166, 2223, 2232, 2356, 2418, 2736, 2888, 2964, 3224, 3249, 3534, 3627, 3952, 4332, 4446, 4464, 4693, 4712, 4836, 5301, 5776, 5928, 6448, 6498, 7068, 7254, 7657, 8664, 8892, 9386, 9424, 9672, 10602, 11191, 11856, 12996, 14079, 14136, 14508, 15314, 17328, 17784, 18772, 19344, 21204, 22382, 22971, 25992, 28158, 28272, 29016, 30628, 33573, 35568, 37544, 42237, 42408, 44764, 45942, 51984, 56316, 58032, 61256, 67146, 68913, 75088, 84474, 84816, 89528, 91884, 100719, 112632, 122512, 134292, 137826, 145483, 168948, 179056, 183768, 201438, 225264, 268584, 275652, 290966, 337896, 367536, 402876, 436449, 537168, 551304, 581932, 675792, 805752, 872898, 1102608, 1163864, 1309347, 1611504, 1745796, 2327728, 2618694, 3491592, 5237388, 6983184, 10474776, 20949552]

約数ペア:

[(1, 20949552), (2, 10474776), (3, 6983184), (4, 5237388), (6, 3491592), (8, 2618694), (9, 2327728), (12, 1745796), (13, 1611504), (16, 1309347), (18, 1163864), (19, 1102608), (24, 872898), (26, 805752), (31, 675792), (36, 581932), (38, 551304), (39, 537168), (48, 436449), (52, 402876), (57, 367536), (62, 337896), (72, 290966), (76, 275652), (78, 268584), (93, 225264), (104, 201438), (114, 183768), (117, 179056), (124, 168948), (144, 145483), (152, 137826), (156, 134292), (171, 122512), (186, 112632), (208, 100719), (228, 91884), (234, 89528), (247, 84816), (248, 84474), (279, 75088), (304, 68913), (312, 67146), (342, 61256), (361, 58032), (372, 56316), (403, 51984), (456, 45942), (468, 44764), (494, 42408), (496, 42237), (558, 37544), (589, 35568), (624, 33573), (684, 30628), (722, 29016), (741, 28272), (744, 28158), (806, 25992), (912, 22971), (936, 22382), (988, 21204), (1083, 19344), (1116, 18772), (1178, 17784), (1209, 17328), (1368, 15314), (1444, 14508), (1482, 14136), (1488, 14079), (1612, 12996), (1767, 11856), (1872, 11191), (1976, 10602), (2166, 9672), (2223, 9424), (2232, 9386), (2356, 8892), (2418, 8664), (2736, 7657), (2888, 7254), (2964, 7068), (3224, 6498), (3249, 6448), (3534, 5928), (3627, 5776), (3952, 5301), (4332, 4836), (4446, 4712), (4464, 4693)]