20899696

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{68749}}^1$

素因数の和:68776

約数の個数: 20

約数和(自身を含む): 42625000

約数和(自身を除く): 21725304

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 68749, 137498, 274996, 549992, 1099984, 1306231, 2612462, 5224924, 10449848, 20899696]

約数ペア:

[(1, 20899696), (2, 10449848), (4, 5224924), (8, 2612462), (16, 1306231), (19, 1099984), (38, 549992), (76, 274996), (152, 137498), (304, 68749)]