20474177810

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1\times {\mathrm{207923}}^1$

素因数の和:208202

約数の個数: 32

約数和(自身を含む): 37875435840

約数和(自身を除く): 17401258030

約数列:

[1, 2, 5, 10, 43, 86, 215, 229, 430, 458, 1145, 2290, 9847, 19694, 49235, 98470, 207923, 415846, 1039615, 2079230, 8940689, 17881378, 44703445, 47614367, 89406890, 95228734, 238071835, 476143670, 2047417781, 4094835562, 10237088905, 20474177810]

約数ペア:

[(1, 20474177810), (2, 10237088905), (5, 4094835562), (10, 2047417781), (43, 476143670), (86, 238071835), (215, 95228734), (229, 89406890), (430, 47614367), (458, 44703445), (1145, 17881378), (2290, 8940689), (9847, 2079230), (19694, 1039615), (49235, 415846), (98470, 207923)]