20025860

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{8861}}^1$

素因数の和:8983

約数の個数: 24

約数和(自身を含む): 42431256

約数和(自身を除く): 22405396

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 8861, 17722, 35444, 44305, 88610, 177220, 1001293, 2002586, 4005172, 5006465, 10012930, 20025860]

約数ペア:

[(1, 20025860), (2, 10012930), (4, 5006465), (5, 4005172), (10, 2002586), (20, 1001293), (113, 177220), (226, 88610), (452, 44305), (565, 35444), (1130, 17722), (2260, 8861)]