20430039

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{643}}^1$

素因数の和:759

約数の個数: 32

約数和(自身を含む): 33384960

約数和(自身を除く): 12954921

約数列:

[1, 3, 7, 17, 21, 51, 89, 119, 267, 357, 623, 643, 1513, 1869, 1929, 4501, 4539, 10591, 10931, 13503, 31773, 32793, 57227, 76517, 171681, 229551, 400589, 972859, 1201767, 2918577, 6810013, 20430039]

約数ペア:

[(1, 20430039), (3, 6810013), (7, 2918577), (17, 1201767), (21, 972859), (51, 400589), (89, 229551), (119, 171681), (267, 76517), (357, 57227), (623, 32793), (643, 31773), (1513, 13503), (1869, 10931), (1929, 10591), (4501, 4539)]