20123668764

素因数分解:

$2^2\times 3^2\times {\mathrm{521}}^1\times {\mathrm{1072919}}^1$

素因数の和:1073450

約数の個数: 36

約数和(自身を含む): 50965845840

約数和(自身を除く): 30842177076

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 521, 1042, 1563, 2084, 3126, 4689, 6252, 9378, 18756, 1072919, 2145838, 3218757, 4291676, 6437514, 9656271, 12875028, 19312542, 38625084, 558990799, 1117981598, 1676972397, 2235963196, 3353944794, 5030917191, 6707889588, 10061834382, 20123668764]

約数ペア:

[(1, 20123668764), (2, 10061834382), (3, 6707889588), (4, 5030917191), (6, 3353944794), (9, 2235963196), (12, 1676972397), (18, 1117981598), (36, 558990799), (521, 38625084), (1042, 19312542), (1563, 12875028), (2084, 9656271), (3126, 6437514), (4689, 4291676), (6252, 3218757), (9378, 2145838), (18756, 1072919)]