20392160

素因数分解:

$2^5\times 5^1\times {\mathrm{233}}^1\times {\mathrm{547}}^1$

素因数の和:795

約数の個数: 48

約数和(自身を含む): 48471696

約数和(自身を除く): 28079536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 233, 466, 547, 932, 1094, 1165, 1864, 2188, 2330, 2735, 3728, 4376, 4660, 5470, 7456, 8752, 9320, 10940, 17504, 18640, 21880, 37280, 43760, 87520, 127451, 254902, 509804, 637255, 1019608, 1274510, 2039216, 2549020, 4078432, 5098040, 10196080, 20392160]

約数ペア:

[(1, 20392160), (2, 10196080), (4, 5098040), (5, 4078432), (8, 2549020), (10, 2039216), (16, 1274510), (20, 1019608), (32, 637255), (40, 509804), (80, 254902), (160, 127451), (233, 87520), (466, 43760), (547, 37280), (932, 21880), (1094, 18640), (1165, 17504), (1864, 10940), (2188, 9320), (2330, 8752), (2735, 7456), (3728, 5470), (4376, 4660)]