20863830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{877}}^1$

素因数の和:961

約数の個数: 64

約数和(自身を含む): 54871488

約数和(自身を除く): 34007658

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 61, 65, 78, 122, 130, 183, 195, 305, 366, 390, 610, 793, 877, 915, 1586, 1754, 1830, 2379, 2631, 3965, 4385, 4758, 5262, 7930, 8770, 11401, 11895, 13155, 22802, 23790, 26310, 34203, 53497, 57005, 68406, 106994, 114010, 160491, 171015, 267485, 320982, 342030, 534970, 695461, 802455, 1390922, 1604910, 2086383, 3477305, 4172766, 6954610, 10431915, 20863830]

約数ペア:

[(1, 20863830), (2, 10431915), (3, 6954610), (5, 4172766), (6, 3477305), (10, 2086383), (13, 1604910), (15, 1390922), (26, 802455), (30, 695461), (39, 534970), (61, 342030), (65, 320982), (78, 267485), (122, 171015), (130, 160491), (183, 114010), (195, 106994), (305, 68406), (366, 57005), (390, 53497), (610, 34203), (793, 26310), (877, 23790), (915, 22802), (1586, 13155), (1754, 11895), (1830, 11401), (2379, 8770), (2631, 7930), (3965, 5262), (4385, 4758)]