20578675

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2753}}^1$

素因数の和:2799

約数の個数: 24

約数和(自身を含む): 28685664

約数和(自身を除く): 8106989

約数列:

[1, 5, 13, 23, 25, 65, 115, 299, 325, 575, 1495, 2753, 7475, 13765, 35789, 63319, 68825, 178945, 316595, 823147, 894725, 1582975, 4115735, 20578675]

約数ペア:

[(1, 20578675), (5, 4115735), (13, 1582975), (23, 894725), (25, 823147), (65, 316595), (115, 178945), (299, 68825), (325, 63319), (575, 35789), (1495, 13765), (2753, 7475)]