20406516

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{130811}}^1$

素因数の和:130831

約数の個数: 24

約数和(自身を含む): 51278304

約数和(自身を除く): 30871788

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 130811, 261622, 392433, 523244, 784866, 1569732, 1700543, 3401086, 5101629, 6802172, 10203258, 20406516]

約数ペア:

[(1, 20406516), (2, 10203258), (3, 6802172), (4, 5101629), (6, 3401086), (12, 1700543), (13, 1569732), (26, 784866), (39, 523244), (52, 392433), (78, 261622), (156, 130811)]