20121794

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{677}}^1$

素因数の和:890

約数の個数: 32

約数和(自身を含む): 37881216

約数和(自身を除く): 17759422

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 193, 386, 677, 1351, 1354, 2123, 2702, 4246, 4739, 7447, 9478, 14861, 14894, 29722, 52129, 104258, 130661, 261322, 914627, 1437271, 1829254, 2874542, 10060897, 20121794]

約数ペア:

[(1, 20121794), (2, 10060897), (7, 2874542), (11, 1829254), (14, 1437271), (22, 914627), (77, 261322), (154, 130661), (193, 104258), (386, 52129), (677, 29722), (1351, 14894), (1354, 14861), (2123, 9478), (2702, 7447), (4246, 4739)]