20741098

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1$

素因数の和:382

約数の個数: 32

約数和(自身を含む): 36604800

約数和(自身を除く): 15863702

約数列:

[1, 2, 7, 14, 61, 122, 149, 163, 298, 326, 427, 854, 1043, 1141, 2086, 2282, 9089, 9943, 18178, 19886, 24287, 48574, 63623, 69601, 127246, 139202, 170009, 340018, 1481507, 2963014, 10370549, 20741098]

約数ペア:

[(1, 20741098), (2, 10370549), (7, 2963014), (14, 1481507), (61, 340018), (122, 170009), (149, 139202), (163, 127246), (298, 69601), (326, 63623), (427, 48574), (854, 24287), (1043, 19886), (1141, 18178), (2086, 9943), (2282, 9089)]