20221184

素因数分解:

$2^8\times {\mathrm{78989}}^1$

素因数の和:79005

約数の個数: 18

約数和(自身を含む): 40363890

約数和(自身を除く): 20142706

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 78989, 157978, 315956, 631912, 1263824, 2527648, 5055296, 10110592, 20221184]

約数ペア:

[(1, 20221184), (2, 10110592), (4, 5055296), (8, 2527648), (16, 1263824), (32, 631912), (64, 315956), (128, 157978), (256, 78989)]