20353020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2671}}^1$

素因数の和:2810

約数の個数: 48

約数和(自身を含む): 57458688

約数和(自身を除く): 37105668

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 127, 254, 381, 508, 635, 762, 1270, 1524, 1905, 2540, 2671, 3810, 5342, 7620, 8013, 10684, 13355, 16026, 26710, 32052, 40065, 53420, 80130, 160260, 339217, 678434, 1017651, 1356868, 1696085, 2035302, 3392170, 4070604, 5088255, 6784340, 10176510, 20353020]

約数ペア:

[(1, 20353020), (2, 10176510), (3, 6784340), (4, 5088255), (5, 4070604), (6, 3392170), (10, 2035302), (12, 1696085), (15, 1356868), (20, 1017651), (30, 678434), (60, 339217), (127, 160260), (254, 80130), (381, 53420), (508, 40065), (635, 32052), (762, 26710), (1270, 16026), (1524, 13355), (1905, 10684), (2540, 8013), (2671, 7620), (3810, 5342)]