20268540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{112603}}^1$

素因数の和:112618

約数の個数: 36

約数和(自身を含む): 61481784

約数和(自身を除く): 41213244

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 112603, 225206, 337809, 450412, 563015, 675618, 1013427, 1126030, 1351236, 1689045, 2026854, 2252060, 3378090, 4053708, 5067135, 6756180, 10134270, 20268540]

約数ペア:

[(1, 20268540), (2, 10134270), (3, 6756180), (4, 5067135), (5, 4053708), (6, 3378090), (9, 2252060), (10, 2026854), (12, 1689045), (15, 1351236), (18, 1126030), (20, 1013427), (30, 675618), (36, 563015), (45, 450412), (60, 337809), (90, 225206), (180, 112603)]