20219504

素因数分解:

$2^4\times {\mathrm{151}}^1\times {\mathrm{8369}}^1$

素因数の和:8528

約数の個数: 20

約数和(自身を含む): 39439440

約数和(自身を除く): 19219936

約数列:

[1, 2, 4, 8, 16, 151, 302, 604, 1208, 2416, 8369, 16738, 33476, 66952, 133904, 1263719, 2527438, 5054876, 10109752, 20219504]

約数ペア:

[(1, 20219504), (2, 10109752), (4, 5054876), (8, 2527438), (16, 1263719), (151, 133904), (302, 66952), (604, 33476), (1208, 16738), (2416, 8369)]