20900126

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{523}}^1$

素因数の和:620

約数の個数: 32

約数和(自身を含む): 35652960

約数和(自身を除く): 14752834

約数列:

[1, 2, 13, 26, 29, 53, 58, 106, 377, 523, 689, 754, 1046, 1378, 1537, 3074, 6799, 13598, 15167, 19981, 27719, 30334, 39962, 55438, 197171, 360347, 394342, 720694, 803851, 1607702, 10450063, 20900126]

約数ペア:

[(1, 20900126), (2, 10450063), (13, 1607702), (26, 803851), (29, 720694), (53, 394342), (58, 360347), (106, 197171), (377, 55438), (523, 39962), (689, 30334), (754, 27719), (1046, 19981), (1378, 15167), (1537, 13598), (3074, 6799)]