20007172805

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{601}}^1\times {\mathrm{2521}}^1$

素因数の和:3285

約数の個数: 32

約数和(自身を含む): 25506499200

約数和(自身を除く): 5499326395

約数列:

[1, 5, 19, 95, 139, 601, 695, 2521, 2641, 3005, 11419, 12605, 13205, 47899, 57095, 83539, 239495, 350419, 417695, 1515121, 1587241, 1752095, 6657961, 7575605, 7936205, 28787299, 33289805, 143936495, 210601819, 1053009095, 4001434561, 20007172805]

約数ペア:

[(1, 20007172805), (5, 4001434561), (19, 1053009095), (95, 210601819), (139, 143936495), (601, 33289805), (695, 28787299), (2521, 7936205), (2641, 7575605), (3005, 6657961), (11419, 1752095), (12605, 1587241), (13205, 1515121), (47899, 417695), (57095, 350419), (83539, 239495)]