20503690

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1163}}^1$

素因数の和:1254

約数の個数: 32

約数和(自身を含む): 38719296

約数和(自身を除く): 18215606

約数列:

[1, 2, 5, 10, 41, 43, 82, 86, 205, 215, 410, 430, 1163, 1763, 2326, 3526, 5815, 8815, 11630, 17630, 47683, 50009, 95366, 100018, 238415, 250045, 476830, 500090, 2050369, 4100738, 10251845, 20503690]

約数ペア:

[(1, 20503690), (2, 10251845), (5, 4100738), (10, 2050369), (41, 500090), (43, 476830), (82, 250045), (86, 238415), (205, 100018), (215, 95366), (410, 50009), (430, 47683), (1163, 17630), (1763, 11630), (2326, 8815), (3526, 5815)]