20379172

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{1283}}^1$

素因数の和:1336

約数の個数: 36

約数和(自身を含む): 41093136

約数和(自身を除く): 20713964

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 361, 418, 722, 836, 1283, 1444, 2566, 3971, 5132, 7942, 14113, 15884, 24377, 28226, 48754, 56452, 97508, 268147, 463163, 536294, 926326, 1072588, 1852652, 5094793, 10189586, 20379172]

約数ペア:

[(1, 20379172), (2, 10189586), (4, 5094793), (11, 1852652), (19, 1072588), (22, 926326), (38, 536294), (44, 463163), (76, 268147), (209, 97508), (361, 56452), (418, 48754), (722, 28226), (836, 24377), (1283, 15884), (1444, 14113), (2566, 7942), (3971, 5132)]