20401952

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{14827}}^1$

素因数の和:14880

約数の個数: 24

約数和(自身を含む): 41103216

約数和(自身を除く): 20701264

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 344, 688, 1376, 14827, 29654, 59308, 118616, 237232, 474464, 637561, 1275122, 2550244, 5100488, 10200976, 20401952]

約数ペア:

[(1, 20401952), (2, 10200976), (4, 5100488), (8, 2550244), (16, 1275122), (32, 637561), (43, 474464), (86, 237232), (172, 118616), (344, 59308), (688, 29654), (1376, 14827)]