20645724

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{683}}^1$

素因数の和:930

約数の個数: 48

約数和(自身を含む): 52859520

約数和(自身を除く): 32213796

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 229, 458, 683, 687, 916, 1366, 1374, 2049, 2519, 2732, 2748, 4098, 5038, 7513, 7557, 8196, 10076, 15026, 15114, 22539, 30052, 30228, 45078, 90156, 156407, 312814, 469221, 625628, 938442, 1720477, 1876884, 3440954, 5161431, 6881908, 10322862, 20645724]

約数ペア:

[(1, 20645724), (2, 10322862), (3, 6881908), (4, 5161431), (6, 3440954), (11, 1876884), (12, 1720477), (22, 938442), (33, 625628), (44, 469221), (66, 312814), (132, 156407), (229, 90156), (458, 45078), (683, 30228), (687, 30052), (916, 22539), (1366, 15114), (1374, 15026), (2049, 10076), (2519, 8196), (2732, 7557), (2748, 7513), (4098, 5038)]