20209364

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{4483}}^1$

素因数の和:4524

約数の個数: 36

約数和(自身を含む): 42938784

約数和(自身を除く): 22729420

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 92, 98, 161, 196, 322, 644, 1127, 2254, 4483, 4508, 8966, 17932, 31381, 62762, 103109, 125524, 206218, 219667, 412436, 439334, 721763, 878668, 1443526, 2887052, 5052341, 10104682, 20209364]

約数ペア:

[(1, 20209364), (2, 10104682), (4, 5052341), (7, 2887052), (14, 1443526), (23, 878668), (28, 721763), (46, 439334), (49, 412436), (92, 219667), (98, 206218), (161, 125524), (196, 103109), (322, 62762), (644, 31381), (1127, 17932), (2254, 8966), (4483, 4508)]