20007130

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{823}}^1$

素因数の和:871

約数の個数: 64

約数和(自身を含む): 44851968

約数和(自身を除く): 24844838

約数列:

[1, 2, 5, 10, 11, 13, 17, 22, 26, 34, 55, 65, 85, 110, 130, 143, 170, 187, 221, 286, 374, 442, 715, 823, 935, 1105, 1430, 1646, 1870, 2210, 2431, 4115, 4862, 8230, 9053, 10699, 12155, 13991, 18106, 21398, 24310, 27982, 45265, 53495, 69955, 90530, 106990, 117689, 139910, 153901, 181883, 235378, 307802, 363766, 588445, 769505, 909415, 1176890, 1539010, 1818830, 2000713, 4001426, 10003565, 20007130]

約数ペア:

[(1, 20007130), (2, 10003565), (5, 4001426), (10, 2000713), (11, 1818830), (13, 1539010), (17, 1176890), (22, 909415), (26, 769505), (34, 588445), (55, 363766), (65, 307802), (85, 235378), (110, 181883), (130, 153901), (143, 139910), (170, 117689), (187, 106990), (221, 90530), (286, 69955), (374, 53495), (442, 45265), (715, 27982), (823, 24310), (935, 21398), (1105, 18106), (1430, 13991), (1646, 12155), (1870, 10699), (2210, 9053), (2431, 8230), (4115, 4862)]