20121664112

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{1011749}}^1$

素因数の和:1011881

約数の個数: 40

約数和(自身を含む): 42906294000

約数和(自身を除く): 22784629888

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 113, 176, 226, 452, 904, 1243, 1808, 2486, 4972, 9944, 19888, 1011749, 2023498, 4046996, 8093992, 11129239, 16187984, 22258478, 44516956, 89033912, 114327637, 178067824, 228655274, 457310548, 914621096, 1257604007, 1829242192, 2515208014, 5030416028, 10060832056, 20121664112]

約数ペア:

[(1, 20121664112), (2, 10060832056), (4, 5030416028), (8, 2515208014), (11, 1829242192), (16, 1257604007), (22, 914621096), (44, 457310548), (88, 228655274), (113, 178067824), (176, 114327637), (226, 89033912), (452, 44516956), (904, 22258478), (1243, 16187984), (1808, 11129239), (2486, 8093992), (4972, 4046996), (9944, 2023498), (19888, 1011749)]