20201367628

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{1382519}}^1$

素因数の和:1382817

約数の個数: 24

約数和(自身を含む): 38207322720

約数和(自身を除く): 18005955092

約数列:

[1, 2, 4, 13, 26, 52, 281, 562, 1124, 3653, 7306, 14612, 1382519, 2765038, 5530076, 17972747, 35945494, 71890988, 388487839, 776975678, 1553951356, 5050341907, 10100683814, 20201367628]

約数ペア:

[(1, 20201367628), (2, 10100683814), (4, 5050341907), (13, 1553951356), (26, 776975678), (52, 388487839), (281, 71890988), (562, 35945494), (1124, 17972747), (3653, 5530076), (7306, 2765038), (14612, 1382519)]