20659920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{86083}}^1$

素因数の和:86099

約数の個数: 40

約数和(自身を含む): 64046496

約数和(自身を除く): 43386576

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 86083, 172166, 258249, 344332, 430415, 516498, 688664, 860830, 1032996, 1291245, 1377328, 1721660, 2065992, 2582490, 3443320, 4131984, 5164980, 6886640, 10329960, 20659920]

約数ペア:

[(1, 20659920), (2, 10329960), (3, 6886640), (4, 5164980), (5, 4131984), (6, 3443320), (8, 2582490), (10, 2065992), (12, 1721660), (15, 1377328), (16, 1291245), (20, 1032996), (24, 860830), (30, 688664), (40, 516498), (48, 430415), (60, 344332), (80, 258249), (120, 172166), (240, 86083)]