20404404

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1297}}^1$

素因数の和:1349

約数の個数: 72

約数和(自身を含む): 56696640

約数和(自身を除く): 36292236

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 23, 36, 38, 46, 57, 69, 76, 92, 114, 138, 171, 207, 228, 276, 342, 414, 437, 684, 828, 874, 1297, 1311, 1748, 2594, 2622, 3891, 3933, 5188, 5244, 7782, 7866, 11673, 15564, 15732, 23346, 24643, 29831, 46692, 49286, 59662, 73929, 89493, 98572, 119324, 147858, 178986, 221787, 268479, 295716, 357972, 443574, 536958, 566789, 887148, 1073916, 1133578, 1700367, 2267156, 3400734, 5101101, 6801468, 10202202, 20404404]

約数ペア:

[(1, 20404404), (2, 10202202), (3, 6801468), (4, 5101101), (6, 3400734), (9, 2267156), (12, 1700367), (18, 1133578), (19, 1073916), (23, 887148), (36, 566789), (38, 536958), (46, 443574), (57, 357972), (69, 295716), (76, 268479), (92, 221787), (114, 178986), (138, 147858), (171, 119324), (207, 98572), (228, 89493), (276, 73929), (342, 59662), (414, 49286), (437, 46692), (684, 29831), (828, 24643), (874, 23346), (1297, 15732), (1311, 15564), (1748, 11673), (2594, 7866), (2622, 7782), (3891, 5244), (3933, 5188)]