20007262420

素因数分解:

$2^2\times 5^1\times {\mathrm{12343}}^1\times {\mathrm{81047}}^1$

素因数の和:93399

約数の個数: 24

約数和(自身を含む): 42019173504

約数和(自身を除く): 22011911084

約数列:

[1, 2, 4, 5, 10, 20, 12343, 24686, 49372, 61715, 81047, 123430, 162094, 246860, 324188, 405235, 810470, 1620940, 1000363121, 2000726242, 4001452484, 5001815605, 10003631210, 20007262420]

約数ペア:

[(1, 20007262420), (2, 10003631210), (4, 5001815605), (5, 4001452484), (10, 2000726242), (20, 1000363121), (12343, 1620940), (24686, 810470), (49372, 405235), (61715, 324188), (81047, 246860), (123430, 162094)]