20573406

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1471}}^1$

素因数の和:1526

約数の個数: 64

約数和(自身を含む): 53698560

約数和(自身を除く): 33125154

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 37, 42, 54, 63, 74, 111, 126, 189, 222, 259, 333, 378, 518, 666, 777, 999, 1471, 1554, 1998, 2331, 2942, 4413, 4662, 6993, 8826, 10297, 13239, 13986, 20594, 26478, 30891, 39717, 54427, 61782, 79434, 92673, 108854, 163281, 185346, 278019, 326562, 380989, 489843, 556038, 761978, 979686, 1142967, 1469529, 2285934, 2939058, 3428901, 6857802, 10286703, 20573406]

約数ペア:

[(1, 20573406), (2, 10286703), (3, 6857802), (6, 3428901), (7, 2939058), (9, 2285934), (14, 1469529), (18, 1142967), (21, 979686), (27, 761978), (37, 556038), (42, 489843), (54, 380989), (63, 326562), (74, 278019), (111, 185346), (126, 163281), (189, 108854), (222, 92673), (259, 79434), (333, 61782), (378, 54427), (518, 39717), (666, 30891), (777, 26478), (999, 20594), (1471, 13986), (1554, 13239), (1998, 10297), (2331, 8826), (2942, 6993), (4413, 4662)]