20209218

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{617}}^1$

素因数の和:778

約数の個数: 32

約数和(自身を含む): 41648256

約数和(自身を除く): 21439038

約数列:

[1, 2, 3, 6, 53, 103, 106, 159, 206, 309, 318, 617, 618, 1234, 1851, 3702, 5459, 10918, 16377, 32701, 32754, 63551, 65402, 98103, 127102, 190653, 196206, 381306, 3368203, 6736406, 10104609, 20209218]

約数ペア:

[(1, 20209218), (2, 10104609), (3, 6736406), (6, 3368203), (53, 381306), (103, 196206), (106, 190653), (159, 127102), (206, 98103), (309, 65402), (318, 63551), (617, 32754), (618, 32701), (1234, 16377), (1851, 10918), (3702, 5459)]