20105268

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{809}}^1$

素因数の和:944

約数の個数: 48

約数和(自身を含む): 49896000

約数和(自身を除く): 29790732

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 109, 114, 218, 228, 327, 436, 654, 809, 1308, 1618, 2071, 2427, 3236, 4142, 4854, 6213, 8284, 9708, 12426, 15371, 24852, 30742, 46113, 61484, 88181, 92226, 176362, 184452, 264543, 352724, 529086, 1058172, 1675439, 3350878, 5026317, 6701756, 10052634, 20105268]

約数ペア:

[(1, 20105268), (2, 10052634), (3, 6701756), (4, 5026317), (6, 3350878), (12, 1675439), (19, 1058172), (38, 529086), (57, 352724), (76, 264543), (109, 184452), (114, 176362), (218, 92226), (228, 88181), (327, 61484), (436, 46113), (654, 30742), (809, 24852), (1308, 15371), (1618, 12426), (2071, 9708), (2427, 8284), (3236, 6213), (4142, 4854)]