20783646

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{88819}}^1$

素因数の和:88840

約数の個数: 24

約数和(自身を含む): 48495720

約数和(自身を除く): 27712074

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 88819, 177638, 266457, 532914, 799371, 1154647, 1598742, 2309294, 3463941, 6927882, 10391823, 20783646]

約数ペア:

[(1, 20783646), (2, 10391823), (3, 6927882), (6, 3463941), (9, 2309294), (13, 1598742), (18, 1154647), (26, 799371), (39, 532914), (78, 266457), (117, 177638), (234, 88819)]