20805976796

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{853}}^1\times {\mathrm{32609}}^1$

素因数の和:33494

約数の個数: 48

約数和(自身を含む): 42107597280

約数和(自身を除く): 21301620484

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 374, 748, 853, 1706, 3412, 9383, 14501, 18766, 29002, 32609, 37532, 58004, 65218, 130436, 159511, 319022, 358699, 554353, 638044, 717398, 1108706, 1434796, 2217412, 6097883, 12195766, 24391532, 27815477, 55630954, 111261908, 305970247, 472863109, 611940494, 945726218, 1223880988, 1891452436, 5201494199, 10402988398, 20805976796]

約数ペア:

[(1, 20805976796), (2, 10402988398), (4, 5201494199), (11, 1891452436), (17, 1223880988), (22, 945726218), (34, 611940494), (44, 472863109), (68, 305970247), (187, 111261908), (374, 55630954), (748, 27815477), (853, 24391532), (1706, 12195766), (3412, 6097883), (9383, 2217412), (14501, 1434796), (18766, 1108706), (29002, 717398), (32609, 638044), (37532, 554353), (58004, 358699), (65218, 319022), (130436, 159511)]