20086720810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4943}}^1\times {\mathrm{31259}}^1$

素因数の和:36222

約数の個数: 32

約数和(自身を含む): 38946458880

約数和(自身を除く): 18859738070

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 4943, 9886, 24715, 31259, 49430, 62518, 64259, 128518, 156295, 312590, 321295, 406367, 642590, 812734, 2031835, 4063670, 154513237, 309026474, 772566185, 1545132370, 2008672081, 4017344162, 10043360405, 20086720810]

約数ペア:

[(1, 20086720810), (2, 10043360405), (5, 4017344162), (10, 2008672081), (13, 1545132370), (26, 772566185), (65, 309026474), (130, 154513237), (4943, 4063670), (9886, 2031835), (24715, 812734), (31259, 642590), (49430, 406367), (62518, 321295), (64259, 312590), (128518, 156295)]