121423420

素因数分解:

$2^2\times 5^1\times {\mathrm{1801}}^1\times {\mathrm{3371}}^1$

素因数の和:5181

約数の個数: 24

約数和(自身を含む): 255206448

約数和(自身を除く): 133783028

約数列:

[1, 2, 4, 5, 10, 20, 1801, 3371, 3602, 6742, 7204, 9005, 13484, 16855, 18010, 33710, 36020, 67420, 6071171, 12142342, 24284684, 30355855, 60711710, 121423420]

約数ペア:

[(1, 121423420), (2, 60711710), (4, 30355855), (5, 24284684), (10, 12142342), (20, 6071171), (1801, 67420), (3371, 36020), (3602, 33710), (6742, 18010), (7204, 16855), (9005, 13484)]