20984326

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{367}}^1$

素因数の和:516

約数の個数: 32

約数和(自身を含む): 36246528

約数和(自身を除く): 15262202

約数列:

[1, 2, 11, 22, 23, 46, 113, 226, 253, 367, 506, 734, 1243, 2486, 2599, 4037, 5198, 8074, 8441, 16882, 28589, 41471, 57178, 82942, 92851, 185702, 456181, 912362, 953833, 1907666, 10492163, 20984326]

約数ペア:

[(1, 20984326), (2, 10492163), (11, 1907666), (22, 953833), (23, 912362), (46, 456181), (113, 185702), (226, 92851), (253, 82942), (367, 57178), (506, 41471), (734, 28589), (1243, 16882), (2486, 8441), (2599, 8074), (4037, 5198)]