20853870063

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{138563}}^1$

素因数の和:138823

約数の個数: 32

約数和(自身を含む): 31845332736

約数和(自身を除く): 10991462673

約数列:

[1, 3, 13, 17, 39, 51, 221, 227, 663, 681, 2951, 3859, 8853, 11577, 50167, 138563, 150501, 415689, 1801319, 2355571, 5403957, 7066713, 30622423, 31453801, 91867269, 94361403, 408899413, 534714617, 1226698239, 1604143851, 6951290021, 20853870063]

約数ペア:

[(1, 20853870063), (3, 6951290021), (13, 1604143851), (17, 1226698239), (39, 534714617), (51, 408899413), (221, 94361403), (227, 91867269), (663, 31453801), (681, 30622423), (2951, 7066713), (3859, 5403957), (8853, 2355571), (11577, 1801319), (50167, 415689), (138563, 150501)]