20154598672

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{827}}^1\times {\mathrm{117167}}^1$

素因数の和:118015

約数の個数: 40

約数和(自身を含む): 42104555136

約数和(自身を除く): 21949956464

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 827, 1654, 3308, 6616, 10751, 13232, 21502, 43004, 86008, 117167, 172016, 234334, 468668, 937336, 1523171, 1874672, 3046342, 6092684, 12185368, 24370736, 96897109, 193794218, 387588436, 775176872, 1259662417, 1550353744, 2519324834, 5038649668, 10077299336, 20154598672]

約数ペア:

[(1, 20154598672), (2, 10077299336), (4, 5038649668), (8, 2519324834), (13, 1550353744), (16, 1259662417), (26, 775176872), (52, 387588436), (104, 193794218), (208, 96897109), (827, 24370736), (1654, 12185368), (3308, 6092684), (6616, 3046342), (10751, 1874672), (13232, 1523171), (21502, 937336), (43004, 468668), (86008, 234334), (117167, 172016)]