20205122510

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2749}}^1\times {\mathrm{17093}}^1$

素因数の和:19892

約数の個数: 32

約数和(自身を含む): 37230732000

約数和(自身を除く): 17025609490

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 2749, 5498, 13745, 17093, 27490, 34186, 85465, 118207, 170930, 236414, 591035, 734999, 1182070, 1469998, 3674995, 7349990, 46988657, 93977314, 234943285, 469886570, 2020512251, 4041024502, 10102561255, 20205122510]

約数ペア:

[(1, 20205122510), (2, 10102561255), (5, 4041024502), (10, 2020512251), (43, 469886570), (86, 234943285), (215, 93977314), (430, 46988657), (2749, 7349990), (5498, 3674995), (13745, 1469998), (17093, 1182070), (27490, 734999), (34186, 591035), (85465, 236414), (118207, 170930)]