20717367568

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{279481}}^1$

素因数の和:279643

約数の個数: 40

約数和(自身を含む): 41482954296

約数和(自身を除く): 20765586728

約数列:

[1, 2, 4, 8, 16, 41, 82, 113, 164, 226, 328, 452, 656, 904, 1808, 4633, 9266, 18532, 37064, 74128, 279481, 558962, 1117924, 2235848, 4471696, 11458721, 22917442, 31581353, 45834884, 63162706, 91669768, 126325412, 183339536, 252650824, 505301648, 1294835473, 2589670946, 5179341892, 10358683784, 20717367568]

約数ペア:

[(1, 20717367568), (2, 10358683784), (4, 5179341892), (8, 2589670946), (16, 1294835473), (41, 505301648), (82, 252650824), (113, 183339536), (164, 126325412), (226, 91669768), (328, 63162706), (452, 45834884), (656, 31581353), (904, 22917442), (1808, 11458721), (4633, 4471696), (9266, 2235848), (18532, 1117924), (37064, 558962), (74128, 279481)]