20112328

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{239}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 38678400

約数和(自身を除く): 18566072

約数列:

[1, 2, 4, 8, 67, 134, 157, 239, 268, 314, 478, 536, 628, 956, 1256, 1912, 10519, 16013, 21038, 32026, 37523, 42076, 64052, 75046, 84152, 128104, 150092, 300184, 2514041, 5028082, 10056164, 20112328]

約数ペア:

[(1, 20112328), (2, 10056164), (4, 5028082), (8, 2514041), (67, 300184), (134, 150092), (157, 128104), (239, 84152), (268, 75046), (314, 64052), (478, 42076), (536, 37523), (628, 32026), (956, 21038), (1256, 16013), (1912, 10519)]