20691648

素因数分解:

$2^6\times 3^2\times {\mathrm{35923}}^1$

素因数の和:35941

約数の個数: 42

約数和(自身を含む): 59310524

約数和(自身を除く): 38618876

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 144, 192, 288, 576, 35923, 71846, 107769, 143692, 215538, 287384, 323307, 431076, 574768, 646614, 862152, 1149536, 1293228, 1724304, 2299072, 2586456, 3448608, 5172912, 6897216, 10345824, 20691648]

約数ペア:

[(1, 20691648), (2, 10345824), (3, 6897216), (4, 5172912), (6, 3448608), (8, 2586456), (9, 2299072), (12, 1724304), (16, 1293228), (18, 1149536), (24, 862152), (32, 646614), (36, 574768), (48, 431076), (64, 323307), (72, 287384), (96, 215538), (144, 143692), (192, 107769), (288, 71846), (576, 35923)]