20335385

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{383}}^1$

素因数の和:473

約数の個数: 32

約数和(自身を含む): 29417472

約数和(自身を除く): 9082087

約数列:

[1, 5, 7, 35, 37, 41, 185, 205, 259, 287, 383, 1295, 1435, 1517, 1915, 2681, 7585, 10619, 13405, 14171, 15703, 53095, 70855, 78515, 99197, 109921, 495985, 549605, 581011, 2905055, 4067077, 20335385]

約数ペア:

[(1, 20335385), (5, 4067077), (7, 2905055), (35, 581011), (37, 549605), (41, 495985), (185, 109921), (205, 99197), (259, 78515), (287, 70855), (383, 53095), (1295, 15703), (1435, 14171), (1517, 13405), (1915, 10619), (2681, 7585)]