20558421288

素因数分解:

$2^3\times 3^2\times {\mathrm{317}}^1\times {\mathrm{900737}}^1$

素因数の和:901066

約数の個数: 48

約数和(自身を含む): 55854763380

約数和(自身を除く): 35296342092

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 317, 634, 951, 1268, 1902, 2536, 2853, 3804, 5706, 7608, 11412, 22824, 900737, 1801474, 2702211, 3602948, 5404422, 7205896, 8106633, 10808844, 16213266, 21617688, 32426532, 64853064, 285533629, 571067258, 856600887, 1142134516, 1713201774, 2284269032, 2569802661, 3426403548, 5139605322, 6852807096, 10279210644, 20558421288]

約数ペア:

[(1, 20558421288), (2, 10279210644), (3, 6852807096), (4, 5139605322), (6, 3426403548), (8, 2569802661), (9, 2284269032), (12, 1713201774), (18, 1142134516), (24, 856600887), (36, 571067258), (72, 285533629), (317, 64853064), (634, 32426532), (951, 21617688), (1268, 16213266), (1902, 10808844), (2536, 8106633), (2853, 7205896), (3804, 5404422), (5706, 3602948), (7608, 2702211), (11412, 1801474), (22824, 900737)]