20932461

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{317}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 35717760

約数和(自身を除く): 14785299

約数列:

[1, 3, 9, 11, 23, 29, 33, 69, 87, 99, 207, 253, 261, 317, 319, 667, 759, 951, 957, 2001, 2277, 2853, 2871, 3487, 6003, 7291, 7337, 9193, 10461, 21873, 22011, 27579, 31383, 65619, 66033, 80201, 82737, 101123, 211439, 240603, 303369, 634317, 721809, 910107, 1902951, 2325829, 6977487, 20932461]

約数ペア:

[(1, 20932461), (3, 6977487), (9, 2325829), (11, 1902951), (23, 910107), (29, 721809), (33, 634317), (69, 303369), (87, 240603), (99, 211439), (207, 101123), (253, 82737), (261, 80201), (317, 66033), (319, 65619), (667, 31383), (759, 27579), (951, 22011), (957, 21873), (2001, 10461), (2277, 9193), (2853, 7337), (2871, 7291), (3487, 6003)]