20901477592

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{137509721}}^1$

素因数の和:137509746

約数の個数: 16

約数和(自身を含む): 41252916600

約数和(自身を除く): 20351439008

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 137509721, 275019442, 550038884, 1100077768, 2612684699, 5225369398, 10450738796, 20901477592]

約数ペア:

[(1, 20901477592), (2, 10450738796), (4, 5225369398), (8, 2612684699), (19, 1100077768), (38, 550038884), (76, 275019442), (152, 137509721)]