20951300

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{11027}}^1$

素因数の和:11060

約数の個数: 36

約数和(自身を含む): 47861520

約数和(自身を除く): 26910220

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 11027, 22054, 44108, 55135, 110270, 209513, 220540, 275675, 419026, 551350, 838052, 1047565, 1102700, 2095130, 4190260, 5237825, 10475650, 20951300]

約数ペア:

[(1, 20951300), (2, 10475650), (4, 5237825), (5, 4190260), (10, 2095130), (19, 1102700), (20, 1047565), (25, 838052), (38, 551350), (50, 419026), (76, 275675), (95, 220540), (100, 209513), (190, 110270), (380, 55135), (475, 44108), (950, 22054), (1900, 11027)]