20156194940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{143972821}}^1$

素因数の和:143972837

約数の個数: 24

約数和(自身を含む): 48374868192

約数和(自身を除く): 28218673252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 143972821, 287945642, 575891284, 719864105, 1007809747, 1439728210, 2015619494, 2879456420, 4031238988, 5039048735, 10078097470, 20156194940]

約数ペア:

[(1, 20156194940), (2, 10078097470), (4, 5039048735), (5, 4031238988), (7, 2879456420), (10, 2015619494), (14, 1439728210), (20, 1007809747), (28, 719864105), (35, 575891284), (70, 287945642), (140, 143972821)]