20371630

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{353}}^1$

素因数の和:588

約数の個数: 32

約数和(自身を含む): 38232000

約数和(自身を除く): 17860370

約数列:

[1, 2, 5, 10, 29, 58, 145, 199, 290, 353, 398, 706, 995, 1765, 1990, 3530, 5771, 10237, 11542, 20474, 28855, 51185, 57710, 70247, 102370, 140494, 351235, 702470, 2037163, 4074326, 10185815, 20371630]

約数ペア:

[(1, 20371630), (2, 10185815), (5, 4074326), (10, 2037163), (29, 702470), (58, 351235), (145, 140494), (199, 102370), (290, 70247), (353, 57710), (398, 51185), (706, 28855), (995, 20474), (1765, 11542), (1990, 10237), (3530, 5771)]