20203827

素因数分解:

$3^1\times 7^2\times {\mathrm{167}}^1\times {\mathrm{823}}^1$

素因数の和:1007

約数の個数: 24

約数和(自身を含む): 31562496

約数和(自身を除く): 11358669

約数列:

[1, 3, 7, 21, 49, 147, 167, 501, 823, 1169, 2469, 3507, 5761, 8183, 17283, 24549, 40327, 120981, 137441, 412323, 962087, 2886261, 6734609, 20203827]

約数ペア:

[(1, 20203827), (3, 6734609), (7, 2886261), (21, 962087), (49, 412323), (147, 137441), (167, 120981), (501, 40327), (823, 24549), (1169, 17283), (2469, 8183), (3507, 5761)]