22787620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{389}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 50122800

約数和(自身を除く): 27335180

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 101, 116, 145, 202, 290, 389, 404, 505, 580, 778, 1010, 1556, 1945, 2020, 2929, 3890, 5858, 7780, 11281, 11716, 14645, 22562, 29290, 39289, 45124, 56405, 58580, 78578, 112810, 157156, 196445, 225620, 392890, 785780, 1139381, 2278762, 4557524, 5696905, 11393810, 22787620]

約数ペア:

[(1, 22787620), (2, 11393810), (4, 5696905), (5, 4557524), (10, 2278762), (20, 1139381), (29, 785780), (58, 392890), (101, 225620), (116, 196445), (145, 157156), (202, 112810), (290, 78578), (389, 58580), (404, 56405), (505, 45124), (580, 39289), (778, 29290), (1010, 22562), (1556, 14645), (1945, 11716), (2020, 11281), (2929, 7780), (3890, 5858)]