20199208688

素因数分解:

$2^4\times {\mathrm{2689}}^1\times {\mathrm{469487}}^1$

素因数の和:472184

約数の個数: 20

約数和(自身を含む): 39150604320

約数和(自身を除く): 18951395632

約数列:

[1, 2, 4, 8, 16, 2689, 5378, 10756, 21512, 43024, 469487, 938974, 1877948, 3755896, 7511792, 1262450543, 2524901086, 5049802172, 10099604344, 20199208688]

約数ペア:

[(1, 20199208688), (2, 10099604344), (4, 5049802172), (8, 2524901086), (16, 1262450543), (2689, 7511792), (5378, 3755896), (10756, 1877948), (21512, 938974), (43024, 469487)]