20176800448

素因数分解:

$2^6\times 7^1\times {\mathrm{71}}^1\times {\mathrm{634331}}^1$

素因数の和:634421

約数の個数: 56

約数和(自身を含む): 46402654464

約数和(自身を除く): 26225854016

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 71, 112, 142, 224, 284, 448, 497, 568, 994, 1136, 1988, 2272, 3976, 4544, 7952, 15904, 31808, 634331, 1268662, 2537324, 4440317, 5074648, 8880634, 10149296, 17761268, 20298592, 35522536, 40597184, 45037501, 71045072, 90075002, 142090144, 180150004, 284180288, 315262507, 360300008, 630525014, 720600016, 1261050028, 1441200032, 2522100056, 2882400064, 5044200112, 10088400224, 20176800448]

約数ペア:

[(1, 20176800448), (2, 10088400224), (4, 5044200112), (7, 2882400064), (8, 2522100056), (14, 1441200032), (16, 1261050028), (28, 720600016), (32, 630525014), (56, 360300008), (64, 315262507), (71, 284180288), (112, 180150004), (142, 142090144), (224, 90075002), (284, 71045072), (448, 45037501), (497, 40597184), (568, 35522536), (994, 20298592), (1136, 17761268), (1988, 10149296), (2272, 8880634), (3976, 5074648), (4544, 4440317), (7952, 2537324), (15904, 1268662), (31808, 634331)]