20717694

素因数分解:

$2^1\times 3^5\times {\mathrm{47}}^1\times {\mathrm{907}}^1$

素因数の和:971

約数の個数: 48

約数和(自身を含む): 47593728

約数和(自身を除く): 26876034

約数列:

[1, 2, 3, 6, 9, 18, 27, 47, 54, 81, 94, 141, 162, 243, 282, 423, 486, 846, 907, 1269, 1814, 2538, 2721, 3807, 5442, 7614, 8163, 11421, 16326, 22842, 24489, 42629, 48978, 73467, 85258, 127887, 146934, 220401, 255774, 383661, 440802, 767322, 1150983, 2301966, 3452949, 6905898, 10358847, 20717694]

約数ペア:

[(1, 20717694), (2, 10358847), (3, 6905898), (6, 3452949), (9, 2301966), (18, 1150983), (27, 767322), (47, 440802), (54, 383661), (81, 255774), (94, 220401), (141, 146934), (162, 127887), (243, 85258), (282, 73467), (423, 48978), (486, 42629), (846, 24489), (907, 22842), (1269, 16326), (1814, 11421), (2538, 8163), (2721, 7614), (3807, 5442)]