20414600

素因数分解:

$2^3\times 5^2\times {\mathrm{103}}^1\times {\mathrm{991}}^1$

素因数の和:1110

約数の個数: 48

約数和(自身を含む): 47973120

約数和(自身を除く): 27558520

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 103, 200, 206, 412, 515, 824, 991, 1030, 1982, 2060, 2575, 3964, 4120, 4955, 5150, 7928, 9910, 10300, 19820, 20600, 24775, 39640, 49550, 99100, 102073, 198200, 204146, 408292, 510365, 816584, 1020730, 2041460, 2551825, 4082920, 5103650, 10207300, 20414600]

約数ペア:

[(1, 20414600), (2, 10207300), (4, 5103650), (5, 4082920), (8, 2551825), (10, 2041460), (20, 1020730), (25, 816584), (40, 510365), (50, 408292), (100, 204146), (103, 198200), (200, 102073), (206, 99100), (412, 49550), (515, 39640), (824, 24775), (991, 20600), (1030, 19820), (1982, 10300), (2060, 9910), (2575, 7928), (3964, 5150), (4120, 4955)]