20175886536

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{70061}}^1$

素因数の和:70167

約数の個数: 96

約数和(自身を含む): 55388214720

約数和(自身を除く): 35212328184

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 71, 78, 104, 142, 156, 169, 213, 284, 312, 338, 426, 507, 568, 676, 852, 923, 1014, 1352, 1704, 1846, 2028, 2769, 3692, 4056, 5538, 7384, 11076, 11999, 22152, 23998, 35997, 47996, 70061, 71994, 95992, 140122, 143988, 210183, 280244, 287976, 420366, 560488, 840732, 910793, 1681464, 1821586, 2732379, 3643172, 4974331, 5464758, 7286344, 9948662, 10929516, 11840309, 14922993, 19897324, 21859032, 23680618, 29845986, 35520927, 39794648, 47361236, 59691972, 64666303, 71041854, 94722472, 119383944, 129332606, 142083708, 193998909, 258665212, 284167416, 387997818, 517330424, 775995636, 840661939, 1551991272, 1681323878, 2521985817, 3362647756, 5043971634, 6725295512, 10087943268, 20175886536]

約数ペア:

[(1, 20175886536), (2, 10087943268), (3, 6725295512), (4, 5043971634), (6, 3362647756), (8, 2521985817), (12, 1681323878), (13, 1551991272), (24, 840661939), (26, 775995636), (39, 517330424), (52, 387997818), (71, 284167416), (78, 258665212), (104, 193998909), (142, 142083708), (156, 129332606), (169, 119383944), (213, 94722472), (284, 71041854), (312, 64666303), (338, 59691972), (426, 47361236), (507, 39794648), (568, 35520927), (676, 29845986), (852, 23680618), (923, 21859032), (1014, 19897324), (1352, 14922993), (1704, 11840309), (1846, 10929516), (2028, 9948662), (2769, 7286344), (3692, 5464758), (4056, 4974331), (5538, 3643172), (7384, 2732379), (11076, 1821586), (11999, 1681464), (22152, 910793), (23998, 840732), (35997, 560488), (47996, 420366), (70061, 287976), (71994, 280244), (95992, 210183), (140122, 143988)]