20785158

素因数分解:

$2^1\times 3^2\times {\mathrm{271}}^1\times {\mathrm{4261}}^1$

素因数の和:4540

約数の個数: 24

約数和(自身を含む): 45211296

約数和(自身を除く): 24426138

約数列:

[1, 2, 3, 6, 9, 18, 271, 542, 813, 1626, 2439, 4261, 4878, 8522, 12783, 25566, 38349, 76698, 1154731, 2309462, 3464193, 6928386, 10392579, 20785158]

約数ペア:

[(1, 20785158), (2, 10392579), (3, 6928386), (6, 3464193), (9, 2309462), (18, 1154731), (271, 76698), (542, 38349), (813, 25566), (1626, 12783), (2439, 8522), (4261, 4878)]