20589508

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{1373}}^1$

素因数の和:1563

約数の個数: 24

約数和(自身を含む): 37856448

約数和(自身を除く): 17266940

約数列:

[1, 2, 4, 23, 46, 92, 163, 326, 652, 1373, 2746, 3749, 5492, 7498, 14996, 31579, 63158, 126316, 223799, 447598, 895196, 5147377, 10294754, 20589508]

約数ペア:

[(1, 20589508), (2, 10294754), (4, 5147377), (23, 895196), (46, 447598), (92, 223799), (163, 126316), (326, 63158), (652, 31579), (1373, 14996), (2746, 7498), (3749, 5492)]