20382215

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{467}}^1$

素因数の和:551

約数の個数: 32

約数和(自身を含む): 29652480

約数和(自身を除く): 9270265

約数列:

[1, 5, 7, 29, 35, 43, 145, 203, 215, 301, 467, 1015, 1247, 1505, 2335, 3269, 6235, 8729, 13543, 16345, 20081, 43645, 67715, 94801, 100405, 140567, 474005, 582349, 702835, 2911745, 4076443, 20382215]

約数ペア:

[(1, 20382215), (5, 4076443), (7, 2911745), (29, 702835), (35, 582349), (43, 474005), (145, 140567), (203, 100405), (215, 94801), (301, 67715), (467, 43645), (1015, 20081), (1247, 16345), (1505, 13543), (2335, 8729), (3269, 6235)]