20439801

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{5197}}^1$

素因数の和:5245

約数の個数: 24

約数和(自身を含む): 32435520

約数和(自身を除く): 11995719

約数列:

[1, 3, 9, 19, 23, 57, 69, 171, 207, 437, 1311, 3933, 5197, 15591, 46773, 98743, 119531, 296229, 358593, 888687, 1075779, 2271089, 6813267, 20439801]

約数ペア:

[(1, 20439801), (3, 6813267), (9, 2271089), (19, 1075779), (23, 888687), (57, 358593), (69, 296229), (171, 119531), (207, 98743), (437, 46773), (1311, 15591), (3933, 5197)]