20515044

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{2129}}^1$

素因数の和:2220

約数の個数: 48

約数和(自身を含む): 52960320

約数和(自身を除く): 32445276

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 73, 132, 146, 219, 292, 438, 803, 876, 1606, 2129, 2409, 3212, 4258, 4818, 6387, 8516, 9636, 12774, 23419, 25548, 46838, 70257, 93676, 140514, 155417, 281028, 310834, 466251, 621668, 932502, 1709587, 1865004, 3419174, 5128761, 6838348, 10257522, 20515044]

約数ペア:

[(1, 20515044), (2, 10257522), (3, 6838348), (4, 5128761), (6, 3419174), (11, 1865004), (12, 1709587), (22, 932502), (33, 621668), (44, 466251), (66, 310834), (73, 281028), (132, 155417), (146, 140514), (219, 93676), (292, 70257), (438, 46838), (803, 25548), (876, 23419), (1606, 12774), (2129, 9636), (2409, 8516), (3212, 6387), (4258, 4818)]