20712774628

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2003}}^1\times {\mathrm{28409}}^1$

素因数の和:30436

約数の個数: 48

約数和(自身を含む): 44635973760

約数和(自身を除く): 23923199132

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 2003, 4006, 8012, 14021, 26039, 28042, 28409, 52078, 56084, 56818, 104156, 113636, 182273, 198863, 364546, 369317, 397726, 729092, 738634, 795452, 1477268, 2585219, 5170438, 10340876, 56903227, 113806454, 227612908, 398322589, 739741951, 796645178, 1479483902, 1593290356, 2958967804, 5178193657, 10356387314, 20712774628]

約数ペア:

[(1, 20712774628), (2, 10356387314), (4, 5178193657), (7, 2958967804), (13, 1593290356), (14, 1479483902), (26, 796645178), (28, 739741951), (52, 398322589), (91, 227612908), (182, 113806454), (364, 56903227), (2003, 10340876), (4006, 5170438), (8012, 2585219), (14021, 1477268), (26039, 795452), (28042, 738634), (28409, 729092), (52078, 397726), (56084, 369317), (56818, 364546), (104156, 198863), (113636, 182273)]