20954860

素因数分解:

$2^2\times 5^1\times {\mathrm{563}}^1\times {\mathrm{1861}}^1$

素因数の和:2433

約数の個数: 24

約数和(自身を含む): 44107056

約数和(自身を除く): 23152196

約数列:

[1, 2, 4, 5, 10, 20, 563, 1126, 1861, 2252, 2815, 3722, 5630, 7444, 9305, 11260, 18610, 37220, 1047743, 2095486, 4190972, 5238715, 10477430, 20954860]

約数ペア:

[(1, 20954860), (2, 10477430), (4, 5238715), (5, 4190972), (10, 2095486), (20, 1047743), (563, 37220), (1126, 18610), (1861, 11260), (2252, 9305), (2815, 7444), (3722, 5630)]