20157962562

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{125141}}^1$

素因数の和:125328

約数の個数: 64

約数和(自身を含む): 47453846400

約数和(自身を除く): 27295883838

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 157, 171, 314, 342, 471, 513, 942, 1026, 1413, 2826, 2983, 4239, 5966, 8478, 8949, 17898, 26847, 53694, 80541, 125141, 161082, 250282, 375423, 750846, 1126269, 2252538, 2377679, 3378807, 4755358, 6757614, 7133037, 14266074, 19647137, 21399111, 39294274, 42798222, 58941411, 64197333, 117882822, 128394666, 176824233, 353648466, 373295603, 530472699, 746591206, 1060945398, 1119886809, 2239773618, 3359660427, 6719320854, 10078981281, 20157962562]

約数ペア:

[(1, 20157962562), (2, 10078981281), (3, 6719320854), (6, 3359660427), (9, 2239773618), (18, 1119886809), (19, 1060945398), (27, 746591206), (38, 530472699), (54, 373295603), (57, 353648466), (114, 176824233), (157, 128394666), (171, 117882822), (314, 64197333), (342, 58941411), (471, 42798222), (513, 39294274), (942, 21399111), (1026, 19647137), (1413, 14266074), (2826, 7133037), (2983, 6757614), (4239, 4755358), (5966, 3378807), (8478, 2377679), (8949, 2252538), (17898, 1126269), (26847, 750846), (53694, 375423), (80541, 250282), (125141, 161082)]