20437552

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{12647}}^1$

素因数の和:12756

約数の個数: 20

約数和(自身を含む): 39992976

約数和(自身を除く): 19555424

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 12647, 25294, 50588, 101176, 202352, 1277347, 2554694, 5109388, 10218776, 20437552]

約数ペア:

[(1, 20437552), (2, 10218776), (4, 5109388), (8, 2554694), (16, 1277347), (101, 202352), (202, 101176), (404, 50588), (808, 25294), (1616, 12647)]