20942142

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{1087}}^1$

素因数の和:1137

約数の個数: 48

約数和(自身を含む): 47784960

約数和(自身を除く): 26842818

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 114, 169, 247, 338, 494, 507, 741, 1014, 1087, 1482, 2174, 3211, 3261, 6422, 6522, 9633, 14131, 19266, 20653, 28262, 41306, 42393, 61959, 84786, 123918, 183703, 268489, 367406, 536978, 551109, 805467, 1102218, 1610934, 3490357, 6980714, 10471071, 20942142]

約数ペア:

[(1, 20942142), (2, 10471071), (3, 6980714), (6, 3490357), (13, 1610934), (19, 1102218), (26, 805467), (38, 551109), (39, 536978), (57, 367406), (78, 268489), (114, 183703), (169, 123918), (247, 84786), (338, 61959), (494, 42393), (507, 41306), (741, 28262), (1014, 20653), (1087, 19266), (1482, 14131), (2174, 9633), (3211, 6522), (3261, 6422)]