20189442

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{359}}^1$

素因数の和:487

約数の個数: 64

約数和(自身を含む): 50319360

約数和(自身を除く): 30129918

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 103, 182, 206, 273, 309, 359, 546, 618, 718, 721, 1077, 1339, 1442, 2154, 2163, 2513, 2678, 4017, 4326, 4667, 5026, 7539, 8034, 9334, 9373, 14001, 15078, 18746, 28002, 28119, 32669, 36977, 56238, 65338, 73954, 98007, 110931, 196014, 221862, 258839, 480701, 517678, 776517, 961402, 1442103, 1553034, 2884206, 3364907, 6729814, 10094721, 20189442]

約数ペア:

[(1, 20189442), (2, 10094721), (3, 6729814), (6, 3364907), (7, 2884206), (13, 1553034), (14, 1442103), (21, 961402), (26, 776517), (39, 517678), (42, 480701), (78, 258839), (91, 221862), (103, 196014), (182, 110931), (206, 98007), (273, 73954), (309, 65338), (359, 56238), (546, 36977), (618, 32669), (718, 28119), (721, 28002), (1077, 18746), (1339, 15078), (1442, 14001), (2154, 9373), (2163, 9334), (2513, 8034), (2678, 7539), (4017, 5026), (4326, 4667)]