17155220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{20921}}^1$

素因数の和:20971

約数の個数: 24

約数和(自身を含む): 36906408

約数和(自身を除く): 19751188

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 20921, 41842, 83684, 104605, 209210, 418420, 857761, 1715522, 3431044, 4288805, 8577610, 17155220]

約数ペア:

[(1, 17155220), (2, 8577610), (4, 4288805), (5, 3431044), (10, 1715522), (20, 857761), (41, 418420), (82, 209210), (164, 104605), (205, 83684), (410, 41842), (820, 20921)]