20955165

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{18143}}^1$

素因数の和:18169

約数の個数: 32

約数和(自身を含む): 41803776

約数和(自身を除く): 20848611

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 18143, 54429, 90715, 127001, 199573, 272145, 381003, 598719, 635005, 997865, 1397011, 1905015, 2993595, 4191033, 6985055, 20955165]

約数ペア:

[(1, 20955165), (3, 6985055), (5, 4191033), (7, 2993595), (11, 1905015), (15, 1397011), (21, 997865), (33, 635005), (35, 598719), (55, 381003), (77, 272145), (105, 199573), (165, 127001), (231, 90715), (385, 54429), (1155, 18143)]