20176708432

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{291167}}^1$

素因数の和:291307

約数の個数: 40

約数和(自身を含む): 40292992512

約数和(自身を除く): 20116284080

約数列:

[1, 2, 4, 8, 16, 61, 71, 122, 142, 244, 284, 488, 568, 976, 1136, 4331, 8662, 17324, 34648, 69296, 291167, 582334, 1164668, 2329336, 4658672, 17761187, 20672857, 35522374, 41345714, 71044748, 82691428, 142089496, 165382856, 284178992, 330765712, 1261044277, 2522088554, 5044177108, 10088354216, 20176708432]

約数ペア:

[(1, 20176708432), (2, 10088354216), (4, 5044177108), (8, 2522088554), (16, 1261044277), (61, 330765712), (71, 284178992), (122, 165382856), (142, 142089496), (244, 82691428), (284, 71044748), (488, 41345714), (568, 35522374), (976, 20672857), (1136, 17761187), (4331, 4658672), (8662, 2329336), (17324, 1164668), (34648, 582334), (69296, 291167)]