20521428

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{74353}}^1$

素因数の和:74383

約数の個数: 24

約数和(自身を含む): 49965888

約数和(自身を除く): 29444460

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 276, 74353, 148706, 223059, 297412, 446118, 892236, 1710119, 3420238, 5130357, 6840476, 10260714, 20521428]

約数ペア:

[(1, 20521428), (2, 10260714), (3, 6840476), (4, 5130357), (6, 3420238), (12, 1710119), (23, 892236), (46, 446118), (69, 297412), (92, 223059), (138, 148706), (276, 74353)]