20076728

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{21089}}^1$

素因数の和:21119

約数の個数: 32

約数和(自身を含む): 45554400

約数和(自身を除く): 25477672

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 476, 952, 21089, 42178, 84356, 147623, 168712, 295246, 358513, 590492, 717026, 1180984, 1434052, 2509591, 2868104, 5019182, 10038364, 20076728]

約数ペア:

[(1, 20076728), (2, 10038364), (4, 5019182), (7, 2868104), (8, 2509591), (14, 1434052), (17, 1180984), (28, 717026), (34, 590492), (56, 358513), (68, 295246), (119, 168712), (136, 147623), (238, 84356), (476, 42178), (952, 21089)]