20402523645

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{194309749}}^1$

素因数の和:194309764

約数の個数: 16

約数和(自身を含む): 37307472000

約数和(自身を除く): 16904948355

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 194309749, 582929247, 971548745, 1360168243, 2914646235, 4080504729, 6800841215, 20402523645]

約数ペア:

[(1, 20402523645), (3, 6800841215), (5, 4080504729), (7, 2914646235), (15, 1360168243), (21, 971548745), (35, 582929247), (105, 194309749)]