20199012315

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{643}}^1\times {\mathrm{123191}}^1$

素因数の和:123859

約数の個数: 32

約数和(自身を含む): 34272999936

約数和(自身を除く): 14073987621

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 643, 1929, 3215, 9645, 10931, 32793, 54655, 123191, 163965, 369573, 615955, 1847865, 2094247, 6282741, 10471235, 31413705, 79211813, 237635439, 396059065, 1188177195, 1346600821, 4039802463, 6733004105, 20199012315]

約数ペア:

[(1, 20199012315), (3, 6733004105), (5, 4039802463), (15, 1346600821), (17, 1188177195), (51, 396059065), (85, 237635439), (255, 79211813), (643, 31413705), (1929, 10471235), (3215, 6282741), (9645, 2094247), (10931, 1847865), (32793, 615955), (54655, 369573), (123191, 163965)]