20826926

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{3943}}^1$

素因数の和:4103

約数の個数: 16

約数和(自身を含む): 33129600

約数和(自身を除く): 12302674

約数列:

[1, 2, 19, 38, 139, 278, 2641, 3943, 5282, 7886, 74917, 149834, 548077, 1096154, 10413463, 20826926]

約数ペア:

[(1, 20826926), (2, 10413463), (19, 1096154), (38, 548077), (139, 149834), (278, 74917), (2641, 7886), (3943, 5282)]