20197740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10859}}^1$

素因数の和:10902

約数の個数: 48

約数和(自身を含む): 58383360

約数和(自身を除く): 38185620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 10859, 21718, 32577, 43436, 54295, 65154, 108590, 130308, 162885, 217180, 325770, 336629, 651540, 673258, 1009887, 1346516, 1683145, 2019774, 3366290, 4039548, 5049435, 6732580, 10098870, 20197740]

約数ペア:

[(1, 20197740), (2, 10098870), (3, 6732580), (4, 5049435), (5, 4039548), (6, 3366290), (10, 2019774), (12, 1683145), (15, 1346516), (20, 1009887), (30, 673258), (31, 651540), (60, 336629), (62, 325770), (93, 217180), (124, 162885), (155, 130308), (186, 108590), (310, 65154), (372, 54295), (465, 43436), (620, 32577), (930, 21718), (1860, 10859)]