20305740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3719}}^1$

素因数の和:3751

約数の個数: 96

約数和(自身を含む): 69995520

約数和(自身を除く): 49689780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 3719, 5460, 7438, 11157, 14876, 18595, 22314, 26033, 37190, 44628, 48347, 52066, 55785, 74380, 78099, 96694, 104132, 111570, 130165, 145041, 156198, 193388, 223140, 241735, 260330, 290082, 312396, 338429, 390495, 483470, 520660, 580164, 676858, 725205, 780990, 966940, 1015287, 1353716, 1450410, 1561980, 1692145, 2030574, 2900820, 3384290, 4061148, 5076435, 6768580, 10152870, 20305740]

約数ペア:

[(1, 20305740), (2, 10152870), (3, 6768580), (4, 5076435), (5, 4061148), (6, 3384290), (7, 2900820), (10, 2030574), (12, 1692145), (13, 1561980), (14, 1450410), (15, 1353716), (20, 1015287), (21, 966940), (26, 780990), (28, 725205), (30, 676858), (35, 580164), (39, 520660), (42, 483470), (52, 390495), (60, 338429), (65, 312396), (70, 290082), (78, 260330), (84, 241735), (91, 223140), (105, 193388), (130, 156198), (140, 145041), (156, 130165), (182, 111570), (195, 104132), (210, 96694), (260, 78099), (273, 74380), (364, 55785), (390, 52066), (420, 48347), (455, 44628), (546, 37190), (780, 26033), (910, 22314), (1092, 18595), (1365, 14876), (1820, 11157), (2730, 7438), (3719, 5460)]