20943342

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{359}}^1\times {\mathrm{463}}^1$

素因数の和:837

約数の個数: 48

約数和(自身を含む): 52116480

約数和(自身を除く): 31173138

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 359, 463, 718, 926, 1077, 1389, 2154, 2513, 2778, 3231, 3241, 4167, 5026, 6462, 6482, 7539, 8334, 9723, 15078, 19446, 22617, 29169, 45234, 58338, 166217, 332434, 498651, 997302, 1163519, 1495953, 2327038, 2991906, 3490557, 6981114, 10471671, 20943342]

約数ペア:

[(1, 20943342), (2, 10471671), (3, 6981114), (6, 3490557), (7, 2991906), (9, 2327038), (14, 1495953), (18, 1163519), (21, 997302), (42, 498651), (63, 332434), (126, 166217), (359, 58338), (463, 45234), (718, 29169), (926, 22617), (1077, 19446), (1389, 15078), (2154, 9723), (2513, 8334), (2778, 7539), (3231, 6482), (3241, 6462), (4167, 5026)]