20897704

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{55579}}^1$

素因数の和:55632

約数の個数: 16

約数和(自身を含む): 40017600

約数和(自身を除く): 19119896

約数列:

[1, 2, 4, 8, 47, 94, 188, 376, 55579, 111158, 222316, 444632, 2612213, 5224426, 10448852, 20897704]

約数ペア:

[(1, 20897704), (2, 10448852), (4, 5224426), (8, 2612213), (47, 444632), (94, 222316), (188, 111158), (376, 55579)]