20263119

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{4111}}^1$

素因数の和:4198

約数の個数: 16

約数和(自身を含む): 28422144

約数和(自身を除く): 8159025

約数列:

[1, 3, 31, 53, 93, 159, 1643, 4111, 4929, 12333, 127441, 217883, 382323, 653649, 6754373, 20263119]

約数ペア:

[(1, 20263119), (3, 6754373), (31, 653649), (53, 382323), (93, 217883), (159, 127441), (1643, 12333), (4111, 4929)]