20456163

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{24977}}^1$

素因数の和:25003

約数の個数: 24

約数和(自身を含む): 36367968

約数和(自身を除く): 15911805

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 24977, 74931, 174839, 224793, 324701, 524517, 974103, 1573551, 2272907, 2922309, 6818721, 20456163]

約数ペア:

[(1, 20456163), (3, 6818721), (7, 2922309), (9, 2272907), (13, 1573551), (21, 974103), (39, 524517), (63, 324701), (91, 224793), (117, 174839), (273, 74931), (819, 24977)]