20106080

素因数分解:

$2^5\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2371}}^1$

素因数の和:2439

約数の個数: 48

約数和(自身を含む): 48417264

約数和(自身を除く): 28311184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 80, 106, 160, 212, 265, 424, 530, 848, 1060, 1696, 2120, 2371, 4240, 4742, 8480, 9484, 11855, 18968, 23710, 37936, 47420, 75872, 94840, 125663, 189680, 251326, 379360, 502652, 628315, 1005304, 1256630, 2010608, 2513260, 4021216, 5026520, 10053040, 20106080]

約数ペア:

[(1, 20106080), (2, 10053040), (4, 5026520), (5, 4021216), (8, 2513260), (10, 2010608), (16, 1256630), (20, 1005304), (32, 628315), (40, 502652), (53, 379360), (80, 251326), (106, 189680), (160, 125663), (212, 94840), (265, 75872), (424, 47420), (530, 37936), (848, 23710), (1060, 18968), (1696, 11855), (2120, 9484), (2371, 8480), (4240, 4742)]