20492048

素因数分解:

$2^4\times {\mathrm{571}}^1\times {\mathrm{2243}}^1$

素因数の和:2822

約数の個数: 20

約数和(自身を含む): 39790608

約数和(自身を除く): 19298560

約数列:

[1, 2, 4, 8, 16, 571, 1142, 2243, 2284, 4486, 4568, 8972, 9136, 17944, 35888, 1280753, 2561506, 5123012, 10246024, 20492048]

約数ペア:

[(1, 20492048), (2, 10246024), (4, 5123012), (8, 2561506), (16, 1280753), (571, 35888), (1142, 17944), (2243, 9136), (2284, 8972), (4486, 4568)]