20147333840

素因数分解:

$2^4\times 5^1\times {\mathrm{1231}}^1\times {\mathrm{204583}}^1$

素因数の和:205827

約数の個数: 40

約数和(自身を含む): 46880832768

約数和(自身を除く): 26733498928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1231, 2462, 4924, 6155, 9848, 12310, 19696, 24620, 49240, 98480, 204583, 409166, 818332, 1022915, 1636664, 2045830, 3273328, 4091660, 8183320, 16366640, 251841673, 503683346, 1007366692, 1259208365, 2014733384, 2518416730, 4029466768, 5036833460, 10073666920, 20147333840]

約数ペア:

[(1, 20147333840), (2, 10073666920), (4, 5036833460), (5, 4029466768), (8, 2518416730), (10, 2014733384), (16, 1259208365), (20, 1007366692), (40, 503683346), (80, 251841673), (1231, 16366640), (2462, 8183320), (4924, 4091660), (6155, 3273328), (9848, 2045830), (12310, 1636664), (19696, 1022915), (24620, 818332), (49240, 409166), (98480, 204583)]