20730668

素因数分解:

$2^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{4969}}^1$

素因数の和:5129

約数の個数: 24

約数和(自身を含む): 41748000

約数和(自身を除く): 21017332

約数列:

[1, 2, 4, 7, 14, 28, 149, 298, 596, 1043, 2086, 4172, 4969, 9938, 19876, 34783, 69566, 139132, 740381, 1480762, 2961524, 5182667, 10365334, 20730668]

約数ペア:

[(1, 20730668), (2, 10365334), (4, 5182667), (7, 2961524), (14, 1480762), (28, 740381), (149, 139132), (298, 69566), (596, 34783), (1043, 19876), (2086, 9938), (4172, 4969)]