20210764

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{11833}}^1$

素因数の和:11905

約数の個数: 24

約数和(自身を含む): 41087648

約数和(自身を除く): 20876884

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 11833, 23666, 47332, 82831, 165662, 331324, 721813, 1443626, 2887252, 5052691, 10105382, 20210764]

約数ペア:

[(1, 20210764), (2, 10105382), (4, 5052691), (7, 2887252), (14, 1443626), (28, 721813), (61, 331324), (122, 165662), (244, 82831), (427, 47332), (854, 23666), (1708, 11833)]