23015620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{487}}^1$

素因数の和:652

約数の個数: 48

約数和(自身を含む): 51649920

約数和(自身を除く): 28634300

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 139, 170, 278, 340, 487, 556, 695, 974, 1390, 1948, 2363, 2435, 2780, 4726, 4870, 8279, 9452, 9740, 11815, 16558, 23630, 33116, 41395, 47260, 67693, 82790, 135386, 165580, 270772, 338465, 676930, 1150781, 1353860, 2301562, 4603124, 5753905, 11507810, 23015620]

約数ペア:

[(1, 23015620), (2, 11507810), (4, 5753905), (5, 4603124), (10, 2301562), (17, 1353860), (20, 1150781), (34, 676930), (68, 338465), (85, 270772), (139, 165580), (170, 135386), (278, 82790), (340, 67693), (487, 47260), (556, 41395), (695, 33116), (974, 23630), (1390, 16558), (1948, 11815), (2363, 9740), (2435, 9452), (2780, 8279), (4726, 4870)]