20120656575

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{101581}}^1$

素因数の和:101752

約数の個数: 48

約数和(自身を含む): 35269270400

約数和(自身を除く): 15148613825

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 139, 285, 417, 475, 695, 1425, 2085, 2641, 3475, 7923, 10425, 13205, 39615, 66025, 101581, 198075, 304743, 507905, 1523715, 1930039, 2539525, 5790117, 7618575, 9650195, 14119759, 28950585, 42359277, 48250975, 70598795, 144752925, 211796385, 268275421, 352993975, 804826263, 1058981925, 1341377105, 4024131315, 6706885525, 20120656575]

約数ペア:

[(1, 20120656575), (3, 6706885525), (5, 4024131315), (15, 1341377105), (19, 1058981925), (25, 804826263), (57, 352993975), (75, 268275421), (95, 211796385), (139, 144752925), (285, 70598795), (417, 48250975), (475, 42359277), (695, 28950585), (1425, 14119759), (2085, 9650195), (2641, 7618575), (3475, 5790117), (7923, 2539525), (10425, 1930039), (13205, 1523715), (39615, 507905), (66025, 304743), (101581, 198075)]