20985292

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{307}}^1\times {\mathrm{743}}^1$

素因数の和:1077

約数の個数: 24

約数和(自身を含む): 38497536

約数和(自身を除く): 17512244

約数列:

[1, 2, 4, 23, 46, 92, 307, 614, 743, 1228, 1486, 2972, 7061, 14122, 17089, 28244, 34178, 68356, 228101, 456202, 912404, 5246323, 10492646, 20985292]

約数ペア:

[(1, 20985292), (2, 10492646), (4, 5246323), (23, 912404), (46, 456202), (92, 228101), (307, 68356), (614, 34178), (743, 28244), (1228, 17089), (1486, 14122), (2972, 7061)]