20399292

素因数分解:

$2^2\times 3^2\times {\mathrm{149}}^1\times {\mathrm{3803}}^1$

素因数の和:3962

約数の個数: 36

約数和(自身を含む): 51924600

約数和(自身を除く): 31525308

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 149, 298, 447, 596, 894, 1341, 1788, 2682, 3803, 5364, 7606, 11409, 15212, 22818, 34227, 45636, 68454, 136908, 566647, 1133294, 1699941, 2266588, 3399882, 5099823, 6799764, 10199646, 20399292]

約数ペア:

[(1, 20399292), (2, 10199646), (3, 6799764), (4, 5099823), (6, 3399882), (9, 2266588), (12, 1699941), (18, 1133294), (36, 566647), (149, 136908), (298, 68454), (447, 45636), (596, 34227), (894, 22818), (1341, 15212), (1788, 11409), (2682, 7606), (3803, 5364)]