20081972

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{2887}}^1$

素因数の和:2975

約数の個数: 24

約数和(自身を含む): 36873984

約数和(自身を除く): 16792012

約数列:

[1, 2, 4, 37, 47, 74, 94, 148, 188, 1739, 2887, 3478, 5774, 6956, 11548, 106819, 135689, 213638, 271378, 427276, 542756, 5020493, 10040986, 20081972]

約数ペア:

[(1, 20081972), (2, 10040986), (4, 5020493), (37, 542756), (47, 427276), (74, 271378), (94, 213638), (148, 135689), (188, 106819), (1739, 11548), (2887, 6956), (3478, 5774)]