20335833

素因数分解:

$3^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{809}}^1$

素因数の和:851

約数の個数: 48

約数和(自身を含む): 36936000

約数和(自身を除く): 16600167

約数列:

[1, 3, 7, 9, 19, 21, 27, 49, 57, 63, 133, 147, 171, 189, 399, 441, 513, 809, 931, 1197, 1323, 2427, 2793, 3591, 5663, 7281, 8379, 15371, 16989, 21843, 25137, 39641, 46113, 50967, 107597, 118923, 138339, 152901, 322791, 356769, 415017, 753179, 968373, 1070307, 2259537, 2905119, 6778611, 20335833]

約数ペア:

[(1, 20335833), (3, 6778611), (7, 2905119), (9, 2259537), (19, 1070307), (21, 968373), (27, 753179), (49, 415017), (57, 356769), (63, 322791), (133, 152901), (147, 138339), (171, 118923), (189, 107597), (399, 50967), (441, 46113), (513, 39641), (809, 25137), (931, 21843), (1197, 16989), (1323, 15371), (2427, 8379), (2793, 7281), (3591, 5663)]