20161173136

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{809}}^1\times {\mathrm{119813}}^1$

素因数の和:120643

約数の個数: 40

約数和(自身を含む): 42119413560

約数和(自身を除く): 21958240424

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 809, 1618, 3236, 6472, 10517, 12944, 21034, 42068, 84136, 119813, 168272, 239626, 479252, 958504, 1557569, 1917008, 3115138, 6230276, 12460552, 24921104, 96928717, 193857434, 387714868, 775429736, 1260073321, 1550859472, 2520146642, 5040293284, 10080586568, 20161173136]

約数ペア:

[(1, 20161173136), (2, 10080586568), (4, 5040293284), (8, 2520146642), (13, 1550859472), (16, 1260073321), (26, 775429736), (52, 387714868), (104, 193857434), (208, 96928717), (809, 24921104), (1618, 12460552), (3236, 6230276), (6472, 3115138), (10517, 1917008), (12944, 1557569), (21034, 958504), (42068, 479252), (84136, 239626), (119813, 168272)]