20921390168

素因数分解:

$2^3\times 7^1\times {\mathrm{1031}}^1\times {\mathrm{362363}}^1$

素因数の和:363407

約数の個数: 32

約数和(自身を含む): 44875157760

約数和(自身を除く): 23953767592

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1031, 2062, 4124, 7217, 8248, 14434, 28868, 57736, 362363, 724726, 1449452, 2536541, 2898904, 5073082, 10146164, 20292328, 373596253, 747192506, 1494385012, 2615173771, 2988770024, 5230347542, 10460695084, 20921390168]

約数ペア:

[(1, 20921390168), (2, 10460695084), (4, 5230347542), (7, 2988770024), (8, 2615173771), (14, 1494385012), (28, 747192506), (56, 373596253), (1031, 20292328), (2062, 10146164), (4124, 5073082), (7217, 2898904), (8248, 2536541), (14434, 1449452), (28868, 724726), (57736, 362363)]