20920196

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{3191}}^1$

素因数の和:3355

約数の個数: 24

約数和(自身を含む): 40219200

約数和(自身を除く): 19299004

約数列:

[1, 2, 4, 11, 22, 44, 149, 298, 596, 1639, 3191, 3278, 6382, 6556, 12764, 35101, 70202, 140404, 475459, 950918, 1901836, 5230049, 10460098, 20920196]

約数ペア:

[(1, 20920196), (2, 10460098), (4, 5230049), (11, 1901836), (22, 950918), (44, 475459), (149, 140404), (298, 70202), (596, 35101), (1639, 12764), (3191, 6556), (3278, 6382)]