20940660

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:207

約数の個数: 192

約数和(自身を含む): 74323200

約数和(自身を除く): 53382540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 27, 30, 36, 38, 39, 45, 52, 54, 57, 60, 65, 76, 78, 90, 95, 108, 114, 117, 130, 135, 156, 157, 171, 180, 190, 195, 228, 234, 247, 260, 270, 285, 314, 342, 351, 380, 390, 468, 471, 494, 513, 540, 570, 585, 628, 684, 702, 741, 780, 785, 855, 942, 988, 1026, 1140, 1170, 1235, 1404, 1413, 1482, 1570, 1710, 1755, 1884, 2041, 2052, 2223, 2340, 2355, 2470, 2565, 2826, 2964, 2983, 3140, 3420, 3510, 3705, 4082, 4239, 4446, 4710, 4940, 5130, 5652, 5966, 6123, 6669, 7020, 7065, 7410, 8164, 8478, 8892, 8949, 9420, 10205, 10260, 11115, 11932, 12246, 13338, 14130, 14820, 14915, 16956, 17898, 18369, 20410, 21195, 22230, 24492, 26676, 26847, 28260, 29830, 30615, 33345, 35796, 36738, 38779, 40820, 42390, 44460, 44745, 53694, 55107, 59660, 61230, 66690, 73476, 77558, 80541, 84780, 89490, 91845, 107388, 110214, 116337, 122460, 133380, 134235, 155116, 161082, 178980, 183690, 193895, 220428, 232674, 268470, 275535, 322164, 349011, 367380, 387790, 402705, 465348, 536940, 551070, 581685, 698022, 775580, 805410, 1047033, 1102140, 1163370, 1396044, 1610820, 1745055, 2094066, 2326740, 3490110, 4188132, 5235165, 6980220, 10470330, 20940660]

約数ペア:

[(1, 20940660), (2, 10470330), (3, 6980220), (4, 5235165), (5, 4188132), (6, 3490110), (9, 2326740), (10, 2094066), (12, 1745055), (13, 1610820), (15, 1396044), (18, 1163370), (19, 1102140), (20, 1047033), (26, 805410), (27, 775580), (30, 698022), (36, 581685), (38, 551070), (39, 536940), (45, 465348), (52, 402705), (54, 387790), (57, 367380), (60, 349011), (65, 322164), (76, 275535), (78, 268470), (90, 232674), (95, 220428), (108, 193895), (114, 183690), (117, 178980), (130, 161082), (135, 155116), (156, 134235), (157, 133380), (171, 122460), (180, 116337), (190, 110214), (195, 107388), (228, 91845), (234, 89490), (247, 84780), (260, 80541), (270, 77558), (285, 73476), (314, 66690), (342, 61230), (351, 59660), (380, 55107), (390, 53694), (468, 44745), (471, 44460), (494, 42390), (513, 40820), (540, 38779), (570, 36738), (585, 35796), (628, 33345), (684, 30615), (702, 29830), (741, 28260), (780, 26847), (785, 26676), (855, 24492), (942, 22230), (988, 21195), (1026, 20410), (1140, 18369), (1170, 17898), (1235, 16956), (1404, 14915), (1413, 14820), (1482, 14130), (1570, 13338), (1710, 12246), (1755, 11932), (1884, 11115), (2041, 10260), (2052, 10205), (2223, 9420), (2340, 8949), (2355, 8892), (2470, 8478), (2565, 8164), (2826, 7410), (2964, 7065), (2983, 7020), (3140, 6669), (3420, 6123), (3510, 5966), (3705, 5652), (4082, 5130), (4239, 4940), (4446, 4710)]