20708299620

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{4260967}}^1$

素因数の和:4260991

約数の個数: 72

約数和(自身を含む): 65141678784

約数和(自身を除く): 44433379164

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 4260967, 8521934, 12782901, 17043868, 21304835, 25565802, 38348703, 42609670, 51131604, 63914505, 76697406, 85219340, 115046109, 127829010, 153394812, 191743515, 230092218, 255658020, 345138327, 383487030, 460184436, 575230545, 690276654, 766974060, 1035414981, 1150461090, 1380553308, 1725691635, 2070829962, 2300922180, 3451383270, 4141659924, 5177074905, 6902766540, 10354149810, 20708299620]

約数ペア:

[(1, 20708299620), (2, 10354149810), (3, 6902766540), (4, 5177074905), (5, 4141659924), (6, 3451383270), (9, 2300922180), (10, 2070829962), (12, 1725691635), (15, 1380553308), (18, 1150461090), (20, 1035414981), (27, 766974060), (30, 690276654), (36, 575230545), (45, 460184436), (54, 383487030), (60, 345138327), (81, 255658020), (90, 230092218), (108, 191743515), (135, 153394812), (162, 127829010), (180, 115046109), (243, 85219340), (270, 76697406), (324, 63914505), (405, 51131604), (486, 42609670), (540, 38348703), (810, 25565802), (972, 21304835), (1215, 17043868), (1620, 12782901), (2430, 8521934), (4860, 4260967)]