20163194860

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1129}}^1\times {\mathrm{12577}}^1$

素因数の和:13786

約数の個数: 48

約数和(自身を含む): 42980535360

約数和(自身を除く): 22817340500

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1129, 1420, 2258, 4516, 5645, 11290, 12577, 22580, 25154, 50308, 62885, 80159, 125770, 160318, 251540, 320636, 400795, 801590, 892967, 1603180, 1785934, 3571868, 4464835, 8929670, 14199433, 17859340, 28398866, 56797732, 70997165, 141994330, 283988660, 1008159743, 2016319486, 4032638972, 5040798715, 10081597430, 20163194860]

約数ペア:

[(1, 20163194860), (2, 10081597430), (4, 5040798715), (5, 4032638972), (10, 2016319486), (20, 1008159743), (71, 283988660), (142, 141994330), (284, 70997165), (355, 56797732), (710, 28398866), (1129, 17859340), (1420, 14199433), (2258, 8929670), (4516, 4464835), (5645, 3571868), (11290, 1785934), (12577, 1603180), (22580, 892967), (25154, 801590), (50308, 400795), (62885, 320636), (80159, 251540), (125770, 160318)]