20910470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{6947}}^1$

素因数の和:7004

約数の個数: 32

約数和(自身を含む): 44022528

約数和(自身を除く): 23112058

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 215, 301, 430, 602, 1505, 3010, 6947, 13894, 34735, 48629, 69470, 97258, 243145, 298721, 486290, 597442, 1493605, 2091047, 2987210, 4182094, 10455235, 20910470]

約数ペア:

[(1, 20910470), (2, 10455235), (5, 4182094), (7, 2987210), (10, 2091047), (14, 1493605), (35, 597442), (43, 486290), (70, 298721), (86, 243145), (215, 97258), (301, 69470), (430, 48629), (602, 34735), (1505, 13894), (3010, 6947)]