20139996

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1697}}^1$

素因数の和:1770

約数の個数: 48

約数和(自身を含む): 50206464

約数和(自身を除く): 30066468

約数列:

[1, 2, 3, 4, 6, 12, 23, 43, 46, 69, 86, 92, 129, 138, 172, 258, 276, 516, 989, 1697, 1978, 2967, 3394, 3956, 5091, 5934, 6788, 10182, 11868, 20364, 39031, 72971, 78062, 117093, 145942, 156124, 218913, 234186, 291884, 437826, 468372, 875652, 1678333, 3356666, 5034999, 6713332, 10069998, 20139996]

約数ペア:

[(1, 20139996), (2, 10069998), (3, 6713332), (4, 5034999), (6, 3356666), (12, 1678333), (23, 875652), (43, 468372), (46, 437826), (69, 291884), (86, 234186), (92, 218913), (129, 156124), (138, 145942), (172, 117093), (258, 78062), (276, 72971), (516, 39031), (989, 20364), (1697, 11868), (1978, 10182), (2967, 6788), (3394, 5934), (3956, 5091)]