20996858140

素因数分解:

$2^2\times 5^1\times {\mathrm{953}}^1\times {\mathrm{1101619}}^1$

素因数の和:1102581

約数の個数: 24

約数和(自身を含む): 44139710160

約数和(自身を除く): 23142852020

約数列:

[1, 2, 4, 5, 10, 20, 953, 1906, 3812, 4765, 9530, 19060, 1101619, 2203238, 4406476, 5508095, 11016190, 22032380, 1049842907, 2099685814, 4199371628, 5249214535, 10498429070, 20996858140]

約数ペア:

[(1, 20996858140), (2, 10498429070), (4, 5249214535), (5, 4199371628), (10, 2099685814), (20, 1049842907), (953, 22032380), (1906, 11016190), (3812, 5508095), (4765, 4406476), (9530, 2203238), (19060, 1101619)]