20161944868

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{4907971}}^1$

素因数の和:4908067

約数の個数: 24

約数和(自身を含む): 38478500480

約数和(自身を除く): 18316555612

約数列:

[1, 2, 4, 13, 26, 52, 79, 158, 316, 1027, 2054, 4108, 4907971, 9815942, 19631884, 63803623, 127607246, 255214492, 387729709, 775459418, 1550918836, 5040486217, 10080972434, 20161944868]

約数ペア:

[(1, 20161944868), (2, 10080972434), (4, 5040486217), (13, 1550918836), (26, 775459418), (52, 387729709), (79, 255214492), (158, 127607246), (316, 63803623), (1027, 19631884), (2054, 9815942), (4108, 4907971)]