20205645

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2287}}^1$

素因数の和:2345

約数の個数: 32

約数和(自身を含む): 35143680

約数和(自身を除く): 14938035

約数列:

[1, 3, 5, 15, 19, 31, 57, 93, 95, 155, 285, 465, 589, 1767, 2287, 2945, 6861, 8835, 11435, 34305, 43453, 70897, 130359, 212691, 217265, 354485, 651795, 1063455, 1347043, 4041129, 6735215, 20205645]

約数ペア:

[(1, 20205645), (3, 6735215), (5, 4041129), (15, 1347043), (19, 1063455), (31, 651795), (57, 354485), (93, 217265), (95, 212691), (155, 130359), (285, 70897), (465, 43453), (589, 34305), (1767, 11435), (2287, 8835), (2945, 6861)]