20296085

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 27216000

約数和(自身を除く): 6919915

約数列:

[1, 5, 19, 29, 53, 95, 139, 145, 265, 551, 695, 1007, 1537, 2641, 2755, 4031, 5035, 7367, 7685, 13205, 20155, 29203, 36835, 76589, 139973, 146015, 213643, 382945, 699865, 1068215, 4059217, 20296085]

約数ペア:

[(1, 20296085), (5, 4059217), (19, 1068215), (29, 699865), (53, 382945), (95, 213643), (139, 146015), (145, 139973), (265, 76589), (551, 36835), (695, 29203), (1007, 20155), (1537, 13205), (2641, 7685), (2755, 7367), (4031, 5035)]