20132963980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1\times {\mathrm{161503}}^1$

素因数の和:161806

約数の個数: 48

約数和(自身を含む): 44280520704

約数和(自身を除く): 24147556724

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 271, 460, 542, 1084, 1355, 2710, 5420, 6233, 12466, 24932, 31165, 62330, 124660, 161503, 323006, 646012, 807515, 1615030, 3230060, 3714569, 7429138, 14858276, 18572845, 37145690, 43767313, 74291380, 87534626, 175069252, 218836565, 437673130, 875346260, 1006648199, 2013296398, 4026592796, 5033240995, 10066481990, 20132963980]

約数ペア:

[(1, 20132963980), (2, 10066481990), (4, 5033240995), (5, 4026592796), (10, 2013296398), (20, 1006648199), (23, 875346260), (46, 437673130), (92, 218836565), (115, 175069252), (230, 87534626), (271, 74291380), (460, 43767313), (542, 37145690), (1084, 18572845), (1355, 14858276), (2710, 7429138), (5420, 3714569), (6233, 3230060), (12466, 1615030), (24932, 807515), (31165, 646012), (62330, 323006), (124660, 161503)]