20960748

素因数分解:

$2^2\times 3^3\times {\mathrm{421}}^1\times {\mathrm{461}}^1$

素因数の和:895

約数の個数: 48

約数和(自身を含む): 54589920

約数和(自身を除く): 33629172

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 421, 461, 842, 922, 1263, 1383, 1684, 1844, 2526, 2766, 3789, 4149, 5052, 5532, 7578, 8298, 11367, 12447, 15156, 16596, 22734, 24894, 45468, 49788, 194081, 388162, 582243, 776324, 1164486, 1746729, 2328972, 3493458, 5240187, 6986916, 10480374, 20960748]

約数ペア:

[(1, 20960748), (2, 10480374), (3, 6986916), (4, 5240187), (6, 3493458), (9, 2328972), (12, 1746729), (18, 1164486), (27, 776324), (36, 582243), (54, 388162), (108, 194081), (421, 49788), (461, 45468), (842, 24894), (922, 22734), (1263, 16596), (1383, 15156), (1684, 12447), (1844, 11367), (2526, 8298), (2766, 7578), (3789, 5532), (4149, 5052)]