20636931928

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{1949}}^1\times {\mathrm{69661}}^1$

素因数の和:71635

約数の個数: 32

約数和(自身を含む): 40752270000

約数和(自身を除く): 20115338072

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 1949, 3898, 7796, 15592, 37031, 69661, 74062, 139322, 148124, 278644, 296248, 557288, 1323559, 2647118, 5294236, 10588472, 135769289, 271538578, 543077156, 1086154312, 2579616491, 5159232982, 10318465964, 20636931928]

約数ペア:

[(1, 20636931928), (2, 10318465964), (4, 5159232982), (8, 2579616491), (19, 1086154312), (38, 543077156), (76, 271538578), (152, 135769289), (1949, 10588472), (3898, 5294236), (7796, 2647118), (15592, 1323559), (37031, 557288), (69661, 296248), (74062, 278644), (139322, 148124)]