20164355536

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{357727}}^1$

素因数の和:358019

約数の個数: 40

約数和(自身を含む): 42229074944

約数和(自身を除く): 22064719408

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 271, 542, 1084, 2168, 3523, 4336, 7046, 14092, 28184, 56368, 357727, 715454, 1430908, 2861816, 4650451, 5723632, 9300902, 18601804, 37203608, 74407216, 96944017, 193888034, 387776068, 775552136, 1260272221, 1551104272, 2520544442, 5041088884, 10082177768, 20164355536]

約数ペア:

[(1, 20164355536), (2, 10082177768), (4, 5041088884), (8, 2520544442), (13, 1551104272), (16, 1260272221), (26, 775552136), (52, 387776068), (104, 193888034), (208, 96944017), (271, 74407216), (542, 37203608), (1084, 18601804), (2168, 9300902), (3523, 5723632), (4336, 4650451), (7046, 2861816), (14092, 1430908), (28184, 715454), (56368, 357727)]