20528304

素因数分解:

$2^4\times 3^1\times {\mathrm{97}}^1\times {\mathrm{4409}}^1$

素因数の和:4517

約数の個数: 40

約数和(自身を含む): 53590320

約数和(自身を除く): 33062016

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 97, 194, 291, 388, 582, 776, 1164, 1552, 2328, 4409, 4656, 8818, 13227, 17636, 26454, 35272, 52908, 70544, 105816, 211632, 427673, 855346, 1283019, 1710692, 2566038, 3421384, 5132076, 6842768, 10264152, 20528304]

約数ペア:

[(1, 20528304), (2, 10264152), (3, 6842768), (4, 5132076), (6, 3421384), (8, 2566038), (12, 1710692), (16, 1283019), (24, 855346), (48, 427673), (97, 211632), (194, 105816), (291, 70544), (388, 52908), (582, 35272), (776, 26454), (1164, 17636), (1552, 13227), (2328, 8818), (4409, 4656)]