20437428

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{1447}}^1$

素因数の和:1572

約数の個数: 48

約数和(自身を含む): 52545024

約数和(自身を除く): 32107596

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 107, 132, 214, 321, 428, 642, 1177, 1284, 1447, 2354, 2894, 3531, 4341, 4708, 5788, 7062, 8682, 14124, 15917, 17364, 31834, 47751, 63668, 95502, 154829, 191004, 309658, 464487, 619316, 928974, 1703119, 1857948, 3406238, 5109357, 6812476, 10218714, 20437428]

約数ペア:

[(1, 20437428), (2, 10218714), (3, 6812476), (4, 5109357), (6, 3406238), (11, 1857948), (12, 1703119), (22, 928974), (33, 619316), (44, 464487), (66, 309658), (107, 191004), (132, 154829), (214, 95502), (321, 63668), (428, 47751), (642, 31834), (1177, 17364), (1284, 15917), (1447, 14124), (2354, 8682), (2894, 7062), (3531, 5788), (4341, 4708)]