20264150

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{263}}^1$

素因数の和:365

約数の個数: 48

約数和(自身を含む): 40068864

約数和(自身を除く): 19804714

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 67, 115, 134, 230, 263, 335, 526, 575, 670, 1150, 1315, 1541, 1675, 2630, 3082, 3350, 6049, 6575, 7705, 12098, 13150, 15410, 17621, 30245, 35242, 38525, 60490, 77050, 88105, 151225, 176210, 302450, 405283, 440525, 810566, 881050, 2026415, 4052830, 10132075, 20264150]

約数ペア:

[(1, 20264150), (2, 10132075), (5, 4052830), (10, 2026415), (23, 881050), (25, 810566), (46, 440525), (50, 405283), (67, 302450), (115, 176210), (134, 151225), (230, 88105), (263, 77050), (335, 60490), (526, 38525), (575, 35242), (670, 30245), (1150, 17621), (1315, 15410), (1541, 13150), (1675, 12098), (2630, 7705), (3082, 6575), (3350, 6049)]