20654322

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{397}}^1$

素因数の和:467

約数の個数: 64

約数和(自身を含む): 48142080

約数和(自身を除く): 27487758

約数列:

[1, 2, 3, 6, 13, 23, 26, 29, 39, 46, 58, 69, 78, 87, 138, 174, 299, 377, 397, 598, 667, 754, 794, 897, 1131, 1191, 1334, 1794, 2001, 2262, 2382, 4002, 5161, 8671, 9131, 10322, 11513, 15483, 17342, 18262, 23026, 26013, 27393, 30966, 34539, 52026, 54786, 69078, 118703, 149669, 237406, 264799, 299338, 356109, 449007, 529598, 712218, 794397, 898014, 1588794, 3442387, 6884774, 10327161, 20654322]

約数ペア:

[(1, 20654322), (2, 10327161), (3, 6884774), (6, 3442387), (13, 1588794), (23, 898014), (26, 794397), (29, 712218), (39, 529598), (46, 449007), (58, 356109), (69, 299338), (78, 264799), (87, 237406), (138, 149669), (174, 118703), (299, 69078), (377, 54786), (397, 52026), (598, 34539), (667, 30966), (754, 27393), (794, 26013), (897, 23026), (1131, 18262), (1191, 17342), (1334, 15483), (1794, 11513), (2001, 10322), (2262, 9131), (2382, 8671), (4002, 5161)]