20182932016

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1\times {\mathrm{5801}}^1$

素因数の和:6254

約数の個数: 80

約数和(自身を含む): 43210046880

約数和(自身を除く): 23027114864

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 389, 559, 688, 778, 1118, 1556, 2236, 3112, 4472, 5057, 5801, 6224, 8944, 10114, 11602, 16727, 20228, 23204, 33454, 40456, 46408, 66908, 75413, 80912, 92816, 133816, 150826, 217451, 249443, 267632, 301652, 434902, 498886, 603304, 869804, 997772, 1206608, 1739608, 1995544, 2256589, 3242759, 3479216, 3991088, 4513178, 6485518, 9026356, 12971036, 18052712, 25942072, 29335657, 36105424, 51884144, 58671314, 97033327, 117342628, 194066654, 234685256, 388133308, 469370512, 776266616, 1261433251, 1552533232, 2522866502, 5045733004, 10091466008, 20182932016]

約数ペア:

[(1, 20182932016), (2, 10091466008), (4, 5045733004), (8, 2522866502), (13, 1552533232), (16, 1261433251), (26, 776266616), (43, 469370512), (52, 388133308), (86, 234685256), (104, 194066654), (172, 117342628), (208, 97033327), (344, 58671314), (389, 51884144), (559, 36105424), (688, 29335657), (778, 25942072), (1118, 18052712), (1556, 12971036), (2236, 9026356), (3112, 6485518), (4472, 4513178), (5057, 3991088), (5801, 3479216), (6224, 3242759), (8944, 2256589), (10114, 1995544), (11602, 1739608), (16727, 1206608), (20228, 997772), (23204, 869804), (33454, 603304), (40456, 498886), (46408, 434902), (66908, 301652), (75413, 267632), (80912, 249443), (92816, 217451), (133816, 150826)]