20120803090

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2339}}^1\times {\mathrm{10889}}^1$

素因数の和:13314

約数の個数: 32

約数和(自身を含む): 36694944000

約数和(自身を除く): 16574140910

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 2339, 4678, 10889, 11695, 21778, 23390, 54445, 108890, 184781, 369562, 860231, 923905, 1720462, 1847810, 4301155, 8602310, 25469371, 50938742, 127346855, 254693710, 2012080309, 4024160618, 10060401545, 20120803090]

約数ペア:

[(1, 20120803090), (2, 10060401545), (5, 4024160618), (10, 2012080309), (79, 254693710), (158, 127346855), (395, 50938742), (790, 25469371), (2339, 8602310), (4678, 4301155), (10889, 1847810), (11695, 1720462), (21778, 923905), (23390, 860231), (54445, 369562), (108890, 184781)]