20629035

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1523}}^1$

素因数の和:1584

約数の個数: 48

約数和(自身を含む): 41842944

約数和(自身を除く): 21213909

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 43, 45, 63, 105, 129, 215, 301, 315, 387, 645, 903, 1505, 1523, 1935, 2709, 4515, 4569, 7615, 10661, 13545, 13707, 22845, 31983, 53305, 65489, 68535, 95949, 159915, 196467, 327445, 458423, 479745, 589401, 982335, 1375269, 2292115, 2947005, 4125807, 6876345, 20629035]

約数ペア:

[(1, 20629035), (3, 6876345), (5, 4125807), (7, 2947005), (9, 2292115), (15, 1375269), (21, 982335), (35, 589401), (43, 479745), (45, 458423), (63, 327445), (105, 196467), (129, 159915), (215, 95949), (301, 68535), (315, 65489), (387, 53305), (645, 31983), (903, 22845), (1505, 13707), (1523, 13545), (1935, 10661), (2709, 7615), (4515, 4569)]