20840442

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{1831}}^1$

素因数の和:2114

約数の個数: 32

約数和(自身を含む): 47837184

約数和(自身を除く): 26996742

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 271, 542, 813, 1626, 1831, 1897, 3662, 3794, 5493, 5691, 10986, 11382, 12817, 25634, 38451, 76902, 496201, 992402, 1488603, 2977206, 3473407, 6946814, 10420221, 20840442]

約数ペア:

[(1, 20840442), (2, 10420221), (3, 6946814), (6, 3473407), (7, 2977206), (14, 1488603), (21, 992402), (42, 496201), (271, 76902), (542, 38451), (813, 25634), (1626, 12817), (1831, 11382), (1897, 10986), (3662, 5691), (3794, 5493)]