20228854970

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{479}}^1\times {\mathrm{727}}^1$

素因数の和:1407

約数の個数: 64

約数和(自身を含む): 37764679680

約数和(自身を除く): 17535824710

約数列:

[1, 2, 5, 10, 37, 74, 157, 185, 314, 370, 479, 727, 785, 958, 1454, 1570, 2395, 3635, 4790, 5809, 7270, 11618, 17723, 26899, 29045, 35446, 53798, 58090, 75203, 88615, 114139, 134495, 150406, 177230, 228278, 268990, 348233, 376015, 570695, 696466, 752030, 1141390, 1741165, 2782511, 3482330, 4223143, 5565022, 8446286, 12884621, 13912555, 21115715, 25769242, 27825110, 42231430, 54672581, 64423105, 109345162, 128846210, 273362905, 546725810, 2022885497, 4045770994, 10114427485, 20228854970]

約数ペア:

[(1, 20228854970), (2, 10114427485), (5, 4045770994), (10, 2022885497), (37, 546725810), (74, 273362905), (157, 128846210), (185, 109345162), (314, 64423105), (370, 54672581), (479, 42231430), (727, 27825110), (785, 25769242), (958, 21115715), (1454, 13912555), (1570, 12884621), (2395, 8446286), (3635, 5565022), (4790, 4223143), (5809, 3482330), (7270, 2782511), (11618, 1741165), (17723, 1141390), (26899, 752030), (29045, 696466), (35446, 570695), (53798, 376015), (58090, 348233), (75203, 268990), (88615, 228278), (114139, 177230), (134495, 150406)]