20103426

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{991}}^1$

素因数の和:1036

約数の個数: 72

約数和(自身を含む): 52925184

約数和(自身を除く): 32821758

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 42, 46, 49, 63, 69, 98, 126, 138, 147, 161, 207, 294, 322, 414, 441, 483, 882, 966, 991, 1127, 1449, 1982, 2254, 2898, 2973, 3381, 5946, 6762, 6937, 8919, 10143, 13874, 17838, 20286, 20811, 22793, 41622, 45586, 48559, 62433, 68379, 97118, 124866, 136758, 145677, 159551, 205137, 291354, 319102, 410274, 437031, 478653, 874062, 957306, 1116857, 1435959, 2233714, 2871918, 3350571, 6701142, 10051713, 20103426]

約数ペア:

[(1, 20103426), (2, 10051713), (3, 6701142), (6, 3350571), (7, 2871918), (9, 2233714), (14, 1435959), (18, 1116857), (21, 957306), (23, 874062), (42, 478653), (46, 437031), (49, 410274), (63, 319102), (69, 291354), (98, 205137), (126, 159551), (138, 145677), (147, 136758), (161, 124866), (207, 97118), (294, 68379), (322, 62433), (414, 48559), (441, 45586), (483, 41622), (882, 22793), (966, 20811), (991, 20286), (1127, 17838), (1449, 13874), (1982, 10143), (2254, 8919), (2898, 6937), (2973, 6762), (3381, 5946)]