20237844

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1103}}^1$

素因数の和:1260

約数の個数: 48

約数和(自身を含む): 51932160

約数和(自身を除く): 31694316

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 139, 278, 417, 556, 834, 1103, 1529, 1668, 2206, 3058, 3309, 4412, 4587, 6116, 6618, 9174, 12133, 13236, 18348, 24266, 36399, 48532, 72798, 145596, 153317, 306634, 459951, 613268, 919902, 1686487, 1839804, 3372974, 5059461, 6745948, 10118922, 20237844]

約数ペア:

[(1, 20237844), (2, 10118922), (3, 6745948), (4, 5059461), (6, 3372974), (11, 1839804), (12, 1686487), (22, 919902), (33, 613268), (44, 459951), (66, 306634), (132, 153317), (139, 145596), (278, 72798), (417, 48532), (556, 36399), (834, 24266), (1103, 18348), (1529, 13236), (1668, 12133), (2206, 9174), (3058, 6618), (3309, 6116), (4412, 4587)]