20313270

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2857}}^1$

素因数の和:2949

約数の個数: 48

約数和(自身を含む): 53501760

約数和(自身を除く): 33188490

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 79, 90, 158, 237, 395, 474, 711, 790, 1185, 1422, 2370, 2857, 3555, 5714, 7110, 8571, 14285, 17142, 25713, 28570, 42855, 51426, 85710, 128565, 225703, 257130, 451406, 677109, 1128515, 1354218, 2031327, 2257030, 3385545, 4062654, 6771090, 10156635, 20313270]

約数ペア:

[(1, 20313270), (2, 10156635), (3, 6771090), (5, 4062654), (6, 3385545), (9, 2257030), (10, 2031327), (15, 1354218), (18, 1128515), (30, 677109), (45, 451406), (79, 257130), (90, 225703), (158, 128565), (237, 85710), (395, 51426), (474, 42855), (711, 28570), (790, 25713), (1185, 17142), (1422, 14285), (2370, 8571), (2857, 7110), (3555, 5714)]