20121887156

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{19422671}}^1$

素因数の和:19422719

約数の個数: 24

約数和(自身を含む): 41331446016

約数和(自身を除く): 21209558860

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 19422671, 38845342, 77690684, 135958697, 271917394, 543834788, 718638827, 1437277654, 2874555308, 5030471789, 10060943578, 20121887156]

約数ペア:

[(1, 20121887156), (2, 10060943578), (4, 5030471789), (7, 2874555308), (14, 1437277654), (28, 718638827), (37, 543834788), (74, 271917394), (148, 135958697), (259, 77690684), (518, 38845342), (1036, 19422671)]