20081214

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{827}}^1$

素因数の和:925

約数の個数: 48

約数和(自身を含む): 46500480

約数和(自身を除く): 26419266

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 71, 114, 142, 171, 213, 342, 426, 639, 827, 1278, 1349, 1654, 2481, 2698, 4047, 4962, 7443, 8094, 12141, 14886, 15713, 24282, 31426, 47139, 58717, 94278, 117434, 141417, 176151, 282834, 352302, 528453, 1056906, 1115623, 2231246, 3346869, 6693738, 10040607, 20081214]

約数ペア:

[(1, 20081214), (2, 10040607), (3, 6693738), (6, 3346869), (9, 2231246), (18, 1115623), (19, 1056906), (38, 528453), (57, 352302), (71, 282834), (114, 176151), (142, 141417), (171, 117434), (213, 94278), (342, 58717), (426, 47139), (639, 31426), (827, 24282), (1278, 15713), (1349, 14886), (1654, 12141), (2481, 8094), (2698, 7443), (4047, 4962)]