20757702

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{6961}}^1$

素因数の和:7044

約数の個数: 32

約数和(自身を含む): 48121344

約数和(自身を除く): 27363642

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 71, 142, 213, 426, 497, 994, 1491, 2982, 6961, 13922, 20883, 41766, 48727, 97454, 146181, 292362, 494231, 988462, 1482693, 2965386, 3459617, 6919234, 10378851, 20757702]

約数ペア:

[(1, 20757702), (2, 10378851), (3, 6919234), (6, 3459617), (7, 2965386), (14, 1482693), (21, 988462), (42, 494231), (71, 292362), (142, 146181), (213, 97454), (426, 48727), (497, 41766), (994, 20883), (1491, 13922), (2982, 6961)]