20154708

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{79979}}^1$

素因数の和:79996

約数の個数: 36

約数和(自身を含む): 58225440

約数和(自身を除く): 38070732

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 79979, 159958, 239937, 319916, 479874, 559853, 719811, 959748, 1119706, 1439622, 1679559, 2239412, 2879244, 3359118, 5038677, 6718236, 10077354, 20154708]

約数ペア:

[(1, 20154708), (2, 10077354), (3, 6718236), (4, 5038677), (6, 3359118), (7, 2879244), (9, 2239412), (12, 1679559), (14, 1439622), (18, 1119706), (21, 959748), (28, 719811), (36, 559853), (42, 479874), (63, 319916), (84, 239937), (126, 159958), (252, 79979)]