20863197

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{607}}^1$

素因数の和:702

約数の個数: 32

約数和(自身を含む): 33075200

約数和(自身を除く): 12212003

約数列:

[1, 3, 9, 19, 27, 57, 67, 171, 201, 513, 603, 607, 1273, 1809, 1821, 3819, 5463, 11457, 11533, 16389, 34371, 34599, 40669, 103797, 122007, 311391, 366021, 772711, 1098063, 2318133, 6954399, 20863197]

約数ペア:

[(1, 20863197), (3, 6954399), (9, 2318133), (19, 1098063), (27, 772711), (57, 366021), (67, 311391), (171, 122007), (201, 103797), (513, 40669), (603, 34599), (607, 34371), (1273, 16389), (1809, 11533), (1821, 11457), (3819, 5463)]