20845450

素因数分解:

$2^1\times 5^2\times {\mathrm{83}}^1\times {\mathrm{5023}}^1$

素因数の和:5118

約数の個数: 24

約数和(自身を含む): 39247488

約数和(自身を除く): 18402038

約数列:

[1, 2, 5, 10, 25, 50, 83, 166, 415, 830, 2075, 4150, 5023, 10046, 25115, 50230, 125575, 251150, 416909, 833818, 2084545, 4169090, 10422725, 20845450]

約数ペア:

[(1, 20845450), (2, 10422725), (5, 4169090), (10, 2084545), (25, 833818), (50, 416909), (83, 251150), (166, 125575), (415, 50230), (830, 25115), (2075, 10046), (4150, 5023)]