20466390

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{97459}}^1$

素因数の和:97476

約数の個数: 32

約数和(自身を含む): 56136960

約数和(自身を除く): 35670570

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 97459, 194918, 292377, 487295, 584754, 682213, 974590, 1364426, 1461885, 2046639, 2923770, 3411065, 4093278, 6822130, 10233195, 20466390]

約数ペア:

[(1, 20466390), (2, 10233195), (3, 6822130), (5, 4093278), (6, 3411065), (7, 2923770), (10, 2046639), (14, 1461885), (15, 1364426), (21, 974590), (30, 682213), (35, 584754), (42, 487295), (70, 292377), (105, 194918), (210, 97459)]