20874008

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{719}}^1$

素因数の和:935

約数の個数: 32

約数和(自身を含む): 41472000

約数和(自身を除く): 20597992

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 191, 382, 719, 764, 1438, 1528, 2876, 3629, 5752, 7258, 13661, 14516, 27322, 29032, 54644, 109288, 137329, 274658, 549316, 1098632, 2609251, 5218502, 10437004, 20874008]

約数ペア:

[(1, 20874008), (2, 10437004), (4, 5218502), (8, 2609251), (19, 1098632), (38, 549316), (76, 274658), (152, 137329), (191, 109288), (382, 54644), (719, 29032), (764, 27322), (1438, 14516), (1528, 13661), (2876, 7258), (3629, 5752)]