20138180816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3123167}}^1$

素因数の和:3123219

約数の個数: 40

約数和(自身を含む): 43374557184

約数和(自身を除く): 23236376368

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 3123167, 6246334, 12492668, 24985336, 40601171, 49970672, 81202342, 96818177, 162404684, 193636354, 324809368, 387272708, 649618736, 774545416, 1258636301, 1549090832, 2517272602, 5034545204, 10069090408, 20138180816]

約数ペア:

[(1, 20138180816), (2, 10069090408), (4, 5034545204), (8, 2517272602), (13, 1549090832), (16, 1258636301), (26, 774545416), (31, 649618736), (52, 387272708), (62, 324809368), (104, 193636354), (124, 162404684), (208, 96818177), (248, 81202342), (403, 49970672), (496, 40601171), (806, 24985336), (1612, 12492668), (3224, 6246334), (6448, 3123167)]