20943415

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{283}}^1$

素因数の和:367

約数の個数: 24

約数和(自身を含む): 27267408

約数和(自身を除く): 6323993

約数列:

[1, 5, 19, 41, 95, 205, 283, 361, 779, 1415, 1805, 3895, 5377, 11603, 14801, 26885, 58015, 74005, 102163, 220457, 510815, 1102285, 4188683, 20943415]

約数ペア:

[(1, 20943415), (5, 4188683), (19, 1102285), (41, 510815), (95, 220457), (205, 102163), (283, 74005), (361, 58015), (779, 26885), (1415, 14801), (1805, 11603), (3895, 5377)]