20172097785

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{669391}}^1$

素因数の和:669454

約数の個数: 48

約数和(自身を含む): 38460586752

約数和(自身を除く): 18288488967

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 49, 105, 123, 147, 205, 245, 287, 615, 735, 861, 1435, 2009, 4305, 6027, 10045, 30135, 669391, 2008173, 3346955, 4685737, 10040865, 14057211, 23428685, 27445031, 32800159, 70286055, 82335093, 98400477, 137225155, 164000795, 192115217, 411675465, 492002385, 576345651, 960576085, 1344806519, 2881728255, 4034419557, 6724032595, 20172097785]

約数ペア:

[(1, 20172097785), (3, 6724032595), (5, 4034419557), (7, 2881728255), (15, 1344806519), (21, 960576085), (35, 576345651), (41, 492002385), (49, 411675465), (105, 192115217), (123, 164000795), (147, 137225155), (205, 98400477), (245, 82335093), (287, 70286055), (615, 32800159), (735, 27445031), (861, 23428685), (1435, 14057211), (2009, 10040865), (4305, 4685737), (6027, 3346955), (10045, 2008173), (30135, 669391)]