20822157

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1097}}^1$

素因数の和:1162

約数の個数: 32

約数和(自身を含む): 33379200

約数和(自身を除く): 12557043

約数列:

[1, 3, 9, 19, 27, 37, 57, 111, 171, 333, 513, 703, 999, 1097, 2109, 3291, 6327, 9873, 18981, 20843, 29619, 40589, 62529, 121767, 187587, 365301, 562761, 771191, 1095903, 2313573, 6940719, 20822157]

約数ペア:

[(1, 20822157), (3, 6940719), (9, 2313573), (19, 1095903), (27, 771191), (37, 562761), (57, 365301), (111, 187587), (171, 121767), (333, 62529), (513, 40589), (703, 29619), (999, 20843), (1097, 18981), (2109, 9873), (3291, 6327)]