20176988839

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{383}}^1\times {\mathrm{9661}}^1$

素因数の和:10111

約数の個数: 32

約数和(自身を含む): 24932597760

約数和(自身を除く): 4755608921

約数列:

[1, 7, 19, 41, 133, 287, 383, 779, 2681, 5453, 7277, 9661, 15703, 50939, 67627, 109921, 183559, 298357, 396101, 1284913, 2088499, 2772707, 3700163, 7525919, 25901141, 52681433, 70303097, 151706683, 492121679, 1061946781, 2882426977, 20176988839]

約数ペア:

[(1, 20176988839), (7, 2882426977), (19, 1061946781), (41, 492121679), (133, 151706683), (287, 70303097), (383, 52681433), (779, 25901141), (2681, 7525919), (5453, 3700163), (7277, 2772707), (9661, 2088499), (15703, 1284913), (50939, 396101), (67627, 298357), (109921, 183559)]