20840974

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19333}}^1$

素因数の和:19360

約数の個数: 24

約数和(自身を含む): 39673368

約数和(自身を除く): 18832394

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, 1078, 19333, 38666, 135331, 212663, 270662, 425326, 947317, 1488641, 1894634, 2977282, 10420487, 20840974]

約数ペア:

[(1, 20840974), (2, 10420487), (7, 2977282), (11, 1894634), (14, 1488641), (22, 947317), (49, 425326), (77, 270662), (98, 212663), (154, 135331), (539, 38666), (1078, 19333)]