20356955

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{773}}^1$

素因数の和:1030

約数の個数: 16

約数和(自身を含む): 25634880

約数和(自身を除く): 5277925

約数列:

[1, 5, 23, 115, 229, 773, 1145, 3865, 5267, 17779, 26335, 88895, 177017, 885085, 4071391, 20356955]

約数ペア:

[(1, 20356955), (5, 4071391), (23, 885085), (115, 177017), (229, 88895), (773, 26335), (1145, 17779), (3865, 5267)]