20125788

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{857}}^1$

素因数の和:986

約数の個数: 48

約数和(自身を含む): 49969920

約数和(自身を除く): 29844132

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 103, 114, 206, 228, 309, 412, 618, 857, 1236, 1714, 1957, 2571, 3428, 3914, 5142, 5871, 7828, 10284, 11742, 16283, 23484, 32566, 48849, 65132, 88271, 97698, 176542, 195396, 264813, 353084, 529626, 1059252, 1677149, 3354298, 5031447, 6708596, 10062894, 20125788]

約数ペア:

[(1, 20125788), (2, 10062894), (3, 6708596), (4, 5031447), (6, 3354298), (12, 1677149), (19, 1059252), (38, 529626), (57, 353084), (76, 264813), (103, 195396), (114, 176542), (206, 97698), (228, 88271), (309, 65132), (412, 48849), (618, 32566), (857, 23484), (1236, 16283), (1714, 11742), (1957, 10284), (2571, 7828), (3428, 5871), (3914, 5142)]