20423425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3229}}^1$

素因数の和:3273

約数の個数: 24

約数和(自身を含む): 28837440

約数和(自身を除く): 8414015

約数列:

[1, 5, 11, 23, 25, 55, 115, 253, 275, 575, 1265, 3229, 6325, 16145, 35519, 74267, 80725, 177595, 371335, 816937, 887975, 1856675, 4084685, 20423425]

約数ペア:

[(1, 20423425), (5, 4084685), (11, 1856675), (23, 887975), (25, 816937), (55, 371335), (115, 177595), (253, 80725), (275, 74267), (575, 35519), (1265, 16145), (3229, 6325)]