20879130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{233}}^1$

素因数の和:375

約数の個数: 64

約数和(自身を含む): 52565760

約数和(自身を除く): 31686630

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 103, 145, 174, 206, 233, 290, 309, 435, 466, 515, 618, 699, 870, 1030, 1165, 1398, 1545, 2330, 2987, 3090, 3495, 5974, 6757, 6990, 8961, 13514, 14935, 17922, 20271, 23999, 29870, 33785, 40542, 44805, 47998, 67570, 71997, 89610, 101355, 119995, 143994, 202710, 239990, 359985, 695971, 719970, 1391942, 2087913, 3479855, 4175826, 6959710, 10439565, 20879130]

約数ペア:

[(1, 20879130), (2, 10439565), (3, 6959710), (5, 4175826), (6, 3479855), (10, 2087913), (15, 1391942), (29, 719970), (30, 695971), (58, 359985), (87, 239990), (103, 202710), (145, 143994), (174, 119995), (206, 101355), (233, 89610), (290, 71997), (309, 67570), (435, 47998), (466, 44805), (515, 40542), (618, 33785), (699, 29870), (870, 23999), (1030, 20271), (1165, 17922), (1398, 14935), (1545, 13514), (2330, 8961), (2987, 6990), (3090, 6757), (3495, 5974)]