20565404888

素因数分解:

$2^3\times 7^1\times {\mathrm{2339}}^1\times {\mathrm{157007}}^1$

素因数の和:159359

約数の個数: 32

約数和(自身を含む): 44087846400

約数和(自身を除く): 23522441512

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 2339, 4678, 9356, 16373, 18712, 32746, 65492, 130984, 157007, 314014, 628028, 1099049, 1256056, 2198098, 4396196, 8792392, 367239373, 734478746, 1468957492, 2570675611, 2937914984, 5141351222, 10282702444, 20565404888]

約数ペア:

[(1, 20565404888), (2, 10282702444), (4, 5141351222), (7, 2937914984), (8, 2570675611), (14, 1468957492), (28, 734478746), (56, 367239373), (2339, 8792392), (4678, 4396196), (9356, 2198098), (16373, 1256056), (18712, 1099049), (32746, 628028), (65492, 314014), (130984, 157007)]