20749450

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{18043}}^1$

素因数の和:18078

約数の個数: 24

約数和(自身を含む): 40274208

約数和(自身を除く): 19524758

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 230, 575, 1150, 18043, 36086, 90215, 180430, 414989, 451075, 829978, 902150, 2074945, 4149890, 10374725, 20749450]

約数ペア:

[(1, 20749450), (2, 10374725), (5, 4149890), (10, 2074945), (23, 902150), (25, 829978), (46, 451075), (50, 414989), (115, 180430), (230, 90215), (575, 36086), (1150, 18043)]