20321048

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{4357}}^1$

素因数の和:4427

約数の個数: 32

約数和(自身を含む): 42359760

約数和(自身を除く): 22038712

約数列:

[1, 2, 4, 8, 11, 22, 44, 53, 88, 106, 212, 424, 583, 1166, 2332, 4357, 4664, 8714, 17428, 34856, 47927, 95854, 191708, 230921, 383416, 461842, 923684, 1847368, 2540131, 5080262, 10160524, 20321048]

約数ペア:

[(1, 20321048), (2, 10160524), (4, 5080262), (8, 2540131), (11, 1847368), (22, 923684), (44, 461842), (53, 383416), (88, 230921), (106, 191708), (212, 95854), (424, 47927), (583, 34856), (1166, 17428), (2332, 8714), (4357, 4664)]