20512281592

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{463}}^1\times {\mathrm{26497}}^1$

素因数の和:26996

約数の個数: 64

約数和(自身を含む): 44262259200

約数和(自身を除く): 23749977608

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 463, 836, 926, 1672, 1852, 3704, 5093, 8797, 10186, 17594, 20372, 26497, 35188, 40744, 52994, 70376, 96767, 105988, 193534, 211976, 291467, 387068, 503443, 582934, 774136, 1006886, 1165868, 2013772, 2331736, 4027544, 5537873, 11075746, 12268111, 22151492, 24536222, 44302984, 49072444, 98144888, 134949221, 233094109, 269898442, 466188218, 539796884, 932376436, 1079593768, 1864752872, 2564035199, 5128070398, 10256140796, 20512281592]

約数ペア:

[(1, 20512281592), (2, 10256140796), (4, 5128070398), (8, 2564035199), (11, 1864752872), (19, 1079593768), (22, 932376436), (38, 539796884), (44, 466188218), (76, 269898442), (88, 233094109), (152, 134949221), (209, 98144888), (418, 49072444), (463, 44302984), (836, 24536222), (926, 22151492), (1672, 12268111), (1852, 11075746), (3704, 5537873), (5093, 4027544), (8797, 2331736), (10186, 2013772), (17594, 1165868), (20372, 1006886), (26497, 774136), (35188, 582934), (40744, 503443), (52994, 387068), (70376, 291467), (96767, 211976), (105988, 193534)]