20119825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3181}}^1$

素因数の和:3225

約数の個数: 24

約数和(自身を含む): 28408896

約数和(自身を除く): 8289071

約数列:

[1, 5, 11, 23, 25, 55, 115, 253, 275, 575, 1265, 3181, 6325, 15905, 34991, 73163, 79525, 174955, 365815, 804793, 874775, 1829075, 4023965, 20119825]

約数ペア:

[(1, 20119825), (5, 4023965), (11, 1829075), (23, 874775), (25, 804793), (55, 365815), (115, 174955), (253, 79525), (275, 73163), (575, 34991), (1265, 15905), (3181, 6325)]