20840023011

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1\times {\mathrm{21419}}^1$

素因数の和:21743

約数の個数: 32

約数和(自身を含む): 29611008000

約数和(自身を除く): 8770984989

約数列:

[1, 3, 23, 59, 69, 177, 239, 717, 1357, 4071, 5497, 14101, 16491, 21419, 42303, 64257, 324323, 492637, 972969, 1263721, 1477911, 3791163, 5119141, 15357423, 29065583, 87196749, 117740243, 302029319, 353220729, 906087957, 6946674337, 20840023011]

約数ペア:

[(1, 20840023011), (3, 6946674337), (23, 906087957), (59, 353220729), (69, 302029319), (177, 117740243), (239, 87196749), (717, 29065583), (1357, 15357423), (4071, 5119141), (5497, 3791163), (14101, 1477911), (16491, 1263721), (21419, 972969), (42303, 492637), (64257, 324323)]