20163702925

素因数分解:

$5^2\times {\mathrm{53}}^1\times {\mathrm{521}}^1\times {\mathrm{29209}}^1$

素因数の和:29793

約数の個数: 24

約数和(自身を含む): 25524515880

約数和(自身を除く): 5360812955

約数列:

[1, 5, 25, 53, 265, 521, 1325, 2605, 13025, 27613, 29209, 138065, 146045, 690325, 730225, 1548077, 7740385, 15217889, 38701925, 76089445, 380447225, 806548117, 4032740585, 20163702925]

約数ペア:

[(1, 20163702925), (5, 4032740585), (25, 806548117), (53, 380447225), (265, 76089445), (521, 38701925), (1325, 15217889), (2605, 7740385), (13025, 1548077), (27613, 730225), (29209, 690325), (138065, 146045)]