20213305952

素因数分解:

$2^5\times 7^2\times {\mathrm{19}}^1\times {\mathrm{678481}}^1$

素因数の和:678524

約数の個数: 72

約数和(自身を含む): 48728577240

約数和(自身を除く): 28515271288

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 49, 56, 76, 98, 112, 133, 152, 196, 224, 266, 304, 392, 532, 608, 784, 931, 1064, 1568, 1862, 2128, 3724, 4256, 7448, 14896, 29792, 678481, 1356962, 2713924, 4749367, 5427848, 9498734, 10855696, 12891139, 18997468, 21711392, 25782278, 33245569, 37994936, 51564556, 66491138, 75989872, 90237973, 103129112, 132982276, 151979744, 180475946, 206258224, 265964552, 360951892, 412516448, 531929104, 631665811, 721903784, 1063858208, 1263331622, 1443807568, 2526663244, 2887615136, 5053326488, 10106652976, 20213305952]

約数ペア:

[(1, 20213305952), (2, 10106652976), (4, 5053326488), (7, 2887615136), (8, 2526663244), (14, 1443807568), (16, 1263331622), (19, 1063858208), (28, 721903784), (32, 631665811), (38, 531929104), (49, 412516448), (56, 360951892), (76, 265964552), (98, 206258224), (112, 180475946), (133, 151979744), (152, 132982276), (196, 103129112), (224, 90237973), (266, 75989872), (304, 66491138), (392, 51564556), (532, 37994936), (608, 33245569), (784, 25782278), (931, 21711392), (1064, 18997468), (1568, 12891139), (1862, 10855696), (2128, 9498734), (3724, 5427848), (4256, 4749367), (7448, 2713924), (14896, 1356962), (29792, 678481)]