20519392

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{33749}}^1$

素因数の和:33778

約数の個数: 24

約数和(自身を含む): 42525000

約数和(自身を除く): 22005608

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 33749, 67498, 134996, 269992, 539984, 641231, 1079968, 1282462, 2564924, 5129848, 10259696, 20519392]

約数ペア:

[(1, 20519392), (2, 10259696), (4, 5129848), (8, 2564924), (16, 1282462), (19, 1079968), (32, 641231), (38, 539984), (76, 269992), (152, 134996), (304, 67498), (608, 33749)]