20930265

素因数分解:

$3^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{787}}^1$

素因数の和:998

約数の個数: 32

約数和(自身を含む): 37445760

約数和(自身を除く): 16515495

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 197, 591, 787, 985, 1773, 2361, 2955, 3935, 5319, 7083, 8865, 11805, 21249, 26595, 35415, 106245, 155039, 465117, 775195, 1395351, 2325585, 4186053, 6976755, 20930265]

約数ペア:

[(1, 20930265), (3, 6976755), (5, 4186053), (9, 2325585), (15, 1395351), (27, 775195), (45, 465117), (135, 155039), (197, 106245), (591, 35415), (787, 26595), (985, 21249), (1773, 11805), (2361, 8865), (2955, 7083), (3935, 5319)]