20828472

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{123979}}^1$

素因数の和:123995

約数の個数: 32

約数和(自身を含む): 59510400

約数和(自身を除く): 38681928

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 123979, 247958, 371937, 495916, 743874, 867853, 991832, 1487748, 1735706, 2603559, 2975496, 3471412, 5207118, 6942824, 10414236, 20828472]

約数ペア:

[(1, 20828472), (2, 10414236), (3, 6942824), (4, 5207118), (6, 3471412), (7, 2975496), (8, 2603559), (12, 1735706), (14, 1487748), (21, 991832), (24, 867853), (28, 743874), (42, 495916), (56, 371937), (84, 247958), (168, 123979)]