20348960005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2687}}^1\times {\mathrm{7247}}^1$

素因数の和:9969

約数の個数: 32

約数和(自身を含む): 28054978560

約数和(自身を除く): 7706018555

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 2687, 7247, 13435, 29557, 36235, 51053, 79717, 137693, 147785, 255265, 398585, 561583, 688465, 1514623, 2807915, 7573115, 19472689, 97363445, 214199579, 369981091, 1070997895, 1849905455, 4069792001, 20348960005]

約数ペア:

[(1, 20348960005), (5, 4069792001), (11, 1849905455), (19, 1070997895), (55, 369981091), (95, 214199579), (209, 97363445), (1045, 19472689), (2687, 7573115), (7247, 2807915), (13435, 1514623), (29557, 688465), (36235, 561583), (51053, 398585), (79717, 255265), (137693, 147785)]