2054804540

素因数分解:

$2^2\times 5^1\times {\mathrm{1861}}^1\times {\mathrm{55207}}^1$

素因数の和:57077

約数の個数: 24

約数和(自身を含む): 4317486432

約数和(自身を除く): 2262681892

約数列:

[1, 2, 4, 5, 10, 20, 1861, 3722, 7444, 9305, 18610, 37220, 55207, 110414, 220828, 276035, 552070, 1104140, 102740227, 205480454, 410960908, 513701135, 1027402270, 2054804540]

約数ペア:

[(1, 2054804540), (2, 1027402270), (4, 513701135), (5, 410960908), (10, 205480454), (20, 102740227), (1861, 1104140), (3722, 552070), (7444, 276035), (9305, 220828), (18610, 110414), (37220, 55207)]