20859660

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{38629}}^1$

素因数の和:38647

約数の個数: 48

約数和(自身を含む): 64898400

約数和(自身を除く): 44038740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 38629, 77258, 115887, 154516, 193145, 231774, 347661, 386290, 463548, 579435, 695322, 772580, 1042983, 1158870, 1390644, 1738305, 2085966, 2317740, 3476610, 4171932, 5214915, 6953220, 10429830, 20859660]

約数ペア:

[(1, 20859660), (2, 10429830), (3, 6953220), (4, 5214915), (5, 4171932), (6, 3476610), (9, 2317740), (10, 2085966), (12, 1738305), (15, 1390644), (18, 1158870), (20, 1042983), (27, 772580), (30, 695322), (36, 579435), (45, 463548), (54, 386290), (60, 347661), (90, 231774), (108, 193145), (135, 154516), (180, 115887), (270, 77258), (540, 38629)]