20184858860

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1931}}^1\times {\mathrm{3329}}^1$

素因数の和:5426

約数の個数: 48

約数和(自身を含む): 42693104160

約数和(自身を除く): 22508245300

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 1931, 3140, 3329, 3862, 6658, 7724, 9655, 13316, 16645, 19310, 33290, 38620, 66580, 303167, 522653, 606334, 1045306, 1212668, 1515835, 2090612, 2613265, 3031670, 5226530, 6063340, 6428299, 10453060, 12856598, 25713196, 32141495, 64282990, 128565980, 1009242943, 2018485886, 4036971772, 5046214715, 10092429430, 20184858860]

約数ペア:

[(1, 20184858860), (2, 10092429430), (4, 5046214715), (5, 4036971772), (10, 2018485886), (20, 1009242943), (157, 128565980), (314, 64282990), (628, 32141495), (785, 25713196), (1570, 12856598), (1931, 10453060), (3140, 6428299), (3329, 6063340), (3862, 5226530), (6658, 3031670), (7724, 2613265), (9655, 2090612), (13316, 1515835), (16645, 1212668), (19310, 1045306), (33290, 606334), (38620, 522653), (66580, 303167)]