20528028070

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{617}}^1\times {\mathrm{15919}}^1$

素因数の和:16573

約数の個数: 64

約数和(自身を含む): 42502579200

約数和(自身を除く): 21974551130

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 617, 1045, 1234, 2090, 3085, 6170, 6787, 11723, 13574, 15919, 23446, 31838, 33935, 58615, 67870, 79595, 117230, 128953, 159190, 175109, 257906, 302461, 350218, 604922, 644765, 875545, 1289530, 1512305, 1751090, 3024610, 3327071, 6654142, 9822023, 16635355, 19644046, 33270710, 49110115, 98220230, 108042253, 186618437, 216084506, 373236874, 540211265, 933092185, 1080422530, 1866184370, 2052802807, 4105605614, 10264014035, 20528028070]

約数ペア:

[(1, 20528028070), (2, 10264014035), (5, 4105605614), (10, 2052802807), (11, 1866184370), (19, 1080422530), (22, 933092185), (38, 540211265), (55, 373236874), (95, 216084506), (110, 186618437), (190, 108042253), (209, 98220230), (418, 49110115), (617, 33270710), (1045, 19644046), (1234, 16635355), (2090, 9822023), (3085, 6654142), (6170, 3327071), (6787, 3024610), (11723, 1751090), (13574, 1512305), (15919, 1289530), (23446, 875545), (31838, 644765), (33935, 604922), (58615, 350218), (67870, 302461), (79595, 257906), (117230, 175109), (128953, 159190)]