20618902

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{4621}}^1$

素因数の和:4743

約数の個数: 16

約数和(自身を含む): 32612832

約数和(自身を除く): 11993930

約数列:

[1, 2, 23, 46, 97, 194, 2231, 4462, 4621, 9242, 106283, 212566, 448237, 896474, 10309451, 20618902]

約数ペア:

[(1, 20618902), (2, 10309451), (23, 896474), (46, 448237), (97, 212566), (194, 106283), (2231, 9242), (4462, 4621)]