201620255020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{4988131}}^1$

素因数の和:4988230

約数の個数: 48

約数和(自身を含む): 442467260928

約数和(自身を除く): 240847005908

約数列:

[1, 2, 4, 5, 10, 20, 43, 47, 86, 94, 172, 188, 215, 235, 430, 470, 860, 940, 2021, 4042, 8084, 10105, 20210, 40420, 4988131, 9976262, 19952524, 24940655, 49881310, 99762620, 214489633, 234442157, 428979266, 468884314, 857958532, 937768628, 1072448165, 1172210785, 2144896330, 2344421570, 4289792660, 4688843140, 10081012751, 20162025502, 40324051004, 50405063755, 100810127510, 201620255020]

約数ペア:

[(1, 201620255020), (2, 100810127510), (4, 50405063755), (5, 40324051004), (10, 20162025502), (20, 10081012751), (43, 4688843140), (47, 4289792660), (86, 2344421570), (94, 2144896330), (172, 1172210785), (188, 1072448165), (215, 937768628), (235, 857958532), (430, 468884314), (470, 428979266), (860, 234442157), (940, 214489633), (2021, 99762620), (4042, 49881310), (8084, 24940655), (10105, 19952524), (20210, 9976262), (40420, 4988131)]