20407611

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:339

約数の個数: 32

約数和(自身を含む): 32140800

約数和(自身を除く): 11733189

約数列:

[1, 3, 7, 21, 61, 89, 179, 183, 267, 427, 537, 623, 1253, 1281, 1869, 3759, 5429, 10919, 15931, 16287, 32757, 38003, 47793, 76433, 111517, 114009, 229299, 334551, 971791, 2915373, 6802537, 20407611]

約数ペア:

[(1, 20407611), (3, 6802537), (7, 2915373), (21, 971791), (61, 334551), (89, 229299), (179, 114009), (183, 111517), (267, 76433), (427, 47793), (537, 38003), (623, 32757), (1253, 16287), (1281, 15931), (1869, 10919), (3759, 5429)]