200820980

素因数分解:

$2^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{32707}}^1$

素因数の和:33023

約数の個数: 24

約数和(自身を含む): 423110688

約数和(自身を除く): 222289708

約数列:

[1, 2, 4, 5, 10, 20, 307, 614, 1228, 1535, 3070, 6140, 32707, 65414, 130828, 163535, 327070, 654140, 10041049, 20082098, 40164196, 50205245, 100410490, 200820980]

約数ペア:

[(1, 200820980), (2, 100410490), (4, 50205245), (5, 40164196), (10, 20082098), (20, 10041049), (307, 654140), (614, 327070), (1228, 163535), (1535, 130828), (3070, 65414), (6140, 32707)]