20090138720

素因数分解:

$2^5\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2671561}}^1$

素因数の和:2671623

約数の個数: 48

約数和(自身を含む): 48472820928

約数和(自身を除く): 28382682208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 80, 94, 160, 188, 235, 376, 470, 752, 940, 1504, 1880, 3760, 7520, 2671561, 5343122, 10686244, 13357805, 21372488, 26715610, 42744976, 53431220, 85489952, 106862440, 125563367, 213724880, 251126734, 427449760, 502253468, 627816835, 1004506936, 1255633670, 2009013872, 2511267340, 4018027744, 5022534680, 10045069360, 20090138720]

約数ペア:

[(1, 20090138720), (2, 10045069360), (4, 5022534680), (5, 4018027744), (8, 2511267340), (10, 2009013872), (16, 1255633670), (20, 1004506936), (32, 627816835), (40, 502253468), (47, 427449760), (80, 251126734), (94, 213724880), (160, 125563367), (188, 106862440), (235, 85489952), (376, 53431220), (470, 42744976), (752, 26715610), (940, 21372488), (1504, 13357805), (1880, 10686244), (3760, 5343122), (7520, 2671561)]