20236844649

素因数分解:

$3^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{827}}^1\times {\mathrm{1801}}^1$

素因数の和:3285

約数の個数: 32

約数和(自身を含む): 30939273216

約数和(自身を除く): 10702428567

約数列:

[1, 3, 7, 21, 647, 827, 1801, 1941, 2481, 4529, 5403, 5789, 12607, 13587, 17367, 37821, 535069, 1165247, 1489427, 1605207, 3495741, 3745483, 4468281, 8156729, 10425989, 11236449, 24470187, 31277967, 963659269, 2890977807, 6745614883, 20236844649]

約数ペア:

[(1, 20236844649), (3, 6745614883), (7, 2890977807), (21, 963659269), (647, 31277967), (827, 24470187), (1801, 11236449), (1941, 10425989), (2481, 8156729), (4529, 4468281), (5403, 3745483), (5789, 3495741), (12607, 1605207), (13587, 1489427), (17367, 1165247), (37821, 535069)]