201330820

素因数分解:

$2^2\times 5^1\times {\mathrm{2647}}^1\times {\mathrm{3803}}^1$

素因数の和:6459

約数の個数: 24

約数和(自身を含む): 423065664

約数和(自身を除く): 221734844

約数列:

[1, 2, 4, 5, 10, 20, 2647, 3803, 5294, 7606, 10588, 13235, 15212, 19015, 26470, 38030, 52940, 76060, 10066541, 20133082, 40266164, 50332705, 100665410, 201330820]

約数ペア:

[(1, 201330820), (2, 100665410), (4, 50332705), (5, 40266164), (10, 20133082), (20, 10066541), (2647, 76060), (3803, 52940), (5294, 38030), (7606, 26470), (10588, 19015), (13235, 15212)]