20850315

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{491}}^1$

素因数の和:667

約数の個数: 32

約数和(自身を含む): 35424000

約数和(自身を除く): 14573685

約数列:

[1, 3, 5, 15, 19, 57, 95, 149, 285, 447, 491, 745, 1473, 2235, 2455, 2831, 7365, 8493, 9329, 14155, 27987, 42465, 46645, 73159, 139935, 219477, 365795, 1097385, 1390021, 4170063, 6950105, 20850315]

約数ペア:

[(1, 20850315), (3, 6950105), (5, 4170063), (15, 1390021), (19, 1097385), (57, 365795), (95, 219477), (149, 139935), (285, 73159), (447, 46645), (491, 42465), (745, 27987), (1473, 14155), (2235, 9329), (2455, 8493), (2831, 7365)]