20155982

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{7699}}^1$

素因数の和:7736

約数の個数: 32

約数和(自身を含む): 39916800

約数和(自身を除く): 19760818

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 77, 119, 154, 187, 238, 374, 1309, 2618, 7699, 15398, 53893, 84689, 107786, 130883, 169378, 261766, 592823, 916181, 1185646, 1439713, 1832362, 2879426, 10077991, 20155982]

約数ペア:

[(1, 20155982), (2, 10077991), (7, 2879426), (11, 1832362), (14, 1439713), (17, 1185646), (22, 916181), (34, 592823), (77, 261766), (119, 169378), (154, 130883), (187, 107786), (238, 84689), (374, 53893), (1309, 15398), (2618, 7699)]