20613428

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{20369}}^1$

素因数の和:20407

約数の個数: 24

約数和(自身を含む): 41065920

約数和(自身を除く): 20452492

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 1012, 20369, 40738, 81476, 224059, 448118, 468487, 896236, 936974, 1873948, 5153357, 10306714, 20613428]

約数ペア:

[(1, 20613428), (2, 10306714), (4, 5153357), (11, 1873948), (22, 936974), (23, 896236), (44, 468487), (46, 448118), (92, 224059), (253, 81476), (506, 40738), (1012, 20369)]