20619768

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{66089}}^1$

素因数の和:66111

約数の個数: 32

約数和(自身を含む): 55515600

約数和(自身を除く): 34895832

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 66089, 132178, 198267, 264356, 396534, 528712, 793068, 859157, 1586136, 1718314, 2577471, 3436628, 5154942, 6873256, 10309884, 20619768]

約数ペア:

[(1, 20619768), (2, 10309884), (3, 6873256), (4, 5154942), (6, 3436628), (8, 2577471), (12, 1718314), (13, 1586136), (24, 859157), (26, 793068), (39, 528712), (52, 396534), (78, 264356), (104, 198267), (156, 132178), (312, 66089)]