20531408

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{13229}}^1$

素因数の和:13334

約数の個数: 20

約数和(自身を含む): 40192740

約数和(自身を除く): 19661332

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 776, 1552, 13229, 26458, 52916, 105832, 211664, 1283213, 2566426, 5132852, 10265704, 20531408]

約数ペア:

[(1, 20531408), (2, 10265704), (4, 5132852), (8, 2566426), (16, 1283213), (97, 211664), (194, 105832), (388, 52916), (776, 26458), (1552, 13229)]