20716488

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{22133}}^1$

素因数の和:22158

約数の個数: 48

約数和(自身を含む): 60425820

約数和(自身を除く): 39709332

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 22133, 44266, 66399, 88532, 132798, 177064, 199197, 265596, 287729, 398394, 531192, 575458, 796788, 863187, 1150916, 1593576, 1726374, 2301832, 2589561, 3452748, 5179122, 6905496, 10358244, 20716488]

約数ペア:

[(1, 20716488), (2, 10358244), (3, 6905496), (4, 5179122), (6, 3452748), (8, 2589561), (9, 2301832), (12, 1726374), (13, 1593576), (18, 1150916), (24, 863187), (26, 796788), (36, 575458), (39, 531192), (52, 398394), (72, 287729), (78, 265596), (104, 199197), (117, 177064), (156, 132798), (234, 88532), (312, 66399), (468, 44266), (936, 22133)]