20007390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{61}}^1$

素因数の和:142

約数の個数: 96

約数和(自身を含む): 54434016

約数和(自身を除く): 34426626

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 29, 30, 39, 58, 61, 65, 78, 87, 122, 130, 145, 174, 183, 195, 290, 305, 366, 377, 390, 435, 610, 754, 793, 841, 870, 915, 1131, 1586, 1682, 1769, 1830, 1885, 2262, 2379, 2523, 3538, 3770, 3965, 4205, 4758, 5046, 5307, 5655, 7930, 8410, 8845, 10614, 10933, 11310, 11895, 12615, 17690, 21866, 22997, 23790, 25230, 26535, 32799, 45994, 51301, 53070, 54665, 65598, 68991, 102602, 109330, 114985, 137982, 153903, 163995, 229970, 256505, 307806, 327990, 344955, 513010, 666913, 689910, 769515, 1333826, 1539030, 2000739, 3334565, 4001478, 6669130, 10003695, 20007390]

約数ペア:

[(1, 20007390), (2, 10003695), (3, 6669130), (5, 4001478), (6, 3334565), (10, 2000739), (13, 1539030), (15, 1333826), (26, 769515), (29, 689910), (30, 666913), (39, 513010), (58, 344955), (61, 327990), (65, 307806), (78, 256505), (87, 229970), (122, 163995), (130, 153903), (145, 137982), (174, 114985), (183, 109330), (195, 102602), (290, 68991), (305, 65598), (366, 54665), (377, 53070), (390, 51301), (435, 45994), (610, 32799), (754, 26535), (793, 25230), (841, 23790), (870, 22997), (915, 21866), (1131, 17690), (1586, 12615), (1682, 11895), (1769, 11310), (1830, 10933), (1885, 10614), (2262, 8845), (2379, 8410), (2523, 7930), (3538, 5655), (3770, 5307), (3965, 5046), (4205, 4758)]