20218272476

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{7643}}^1\times {\mathrm{34807}}^1$

素因数の和:42473

約数の個数: 24

約数和(自身を含む): 37250129280

約数和(自身を除く): 17031856804

約数列:

[1, 2, 4, 19, 38, 76, 7643, 15286, 30572, 34807, 69614, 139228, 145217, 290434, 580868, 661333, 1322666, 2645332, 266029901, 532059802, 1064119604, 5054568119, 10109136238, 20218272476]

約数ペア:

[(1, 20218272476), (2, 10109136238), (4, 5054568119), (19, 1064119604), (38, 532059802), (76, 266029901), (7643, 2645332), (15286, 1322666), (30572, 661333), (34807, 580868), (69614, 290434), (139228, 145217)]