20121806236

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1607}}^1\times {\mathrm{7331}}^1$

素因数の和:9010

約数の個数: 48

約数和(自身を含む): 40934380032

約数和(自身を除く): 20812573796

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1607, 1708, 3214, 6428, 7331, 11249, 14662, 22498, 29324, 44996, 51317, 98027, 102634, 196054, 205268, 392108, 447191, 686189, 894382, 1372378, 1788764, 2744756, 3130337, 6260674, 11780917, 12521348, 23561834, 47123668, 82466419, 164932838, 329865676, 718635937, 1437271874, 2874543748, 5030451559, 10060903118, 20121806236]

約数ペア:

[(1, 20121806236), (2, 10060903118), (4, 5030451559), (7, 2874543748), (14, 1437271874), (28, 718635937), (61, 329865676), (122, 164932838), (244, 82466419), (427, 47123668), (854, 23561834), (1607, 12521348), (1708, 11780917), (3214, 6260674), (6428, 3130337), (7331, 2744756), (11249, 1788764), (14662, 1372378), (22498, 894382), (29324, 686189), (44996, 447191), (51317, 392108), (98027, 205268), (102634, 196054)]