203676820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{328511}}^1$

素因数の和:328551

約数の個数: 24

約数和(自身を含む): 441520128

約数和(自身を除く): 237843308

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 328511, 657022, 1314044, 1642555, 3285110, 6570220, 10183841, 20367682, 40735364, 50919205, 101838410, 203676820]

約数ペア:

[(1, 203676820), (2, 101838410), (4, 50919205), (5, 40735364), (10, 20367682), (20, 10183841), (31, 6570220), (62, 3285110), (124, 1642555), (155, 1314044), (310, 657022), (620, 328511)]