20161586578

素因数分解:

$2^1\times 7^1\times {\mathrm{541}}^1\times {\mathrm{2661947}}^1$

素因数の和:2662497

約数の個数: 16

約数和(自身を含む): 34626619584

約数和(自身を除く): 14465033006

約数列:

[1, 2, 7, 14, 541, 1082, 3787, 7574, 2661947, 5323894, 18633629, 37267258, 1440113327, 2880226654, 10080793289, 20161586578]

約数ペア:

[(1, 20161586578), (2, 10080793289), (7, 2880226654), (14, 1440113327), (541, 37267258), (1082, 18633629), (3787, 5323894), (7574, 2661947)]