20697900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{68993}}^1$

素因数の和:69010

約数の個数: 36

約数和(自身を含む): 59886792

約数和(自身を除く): 39188892

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 68993, 137986, 206979, 275972, 344965, 413958, 689930, 827916, 1034895, 1379860, 1724825, 2069790, 3449650, 4139580, 5174475, 6899300, 10348950, 20697900]

約数ペア:

[(1, 20697900), (2, 10348950), (3, 6899300), (4, 5174475), (5, 4139580), (6, 3449650), (10, 2069790), (12, 1724825), (15, 1379860), (20, 1034895), (25, 827916), (30, 689930), (50, 413958), (60, 344965), (75, 275972), (100, 206979), (150, 137986), (300, 68993)]