20554504

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{4663}}^1$

素因数の和:4717

約数の個数: 32

約数和(自身を含む): 41976000

約数和(自身を除く): 21421496

約数列:

[1, 2, 4, 8, 19, 29, 38, 58, 76, 116, 152, 232, 551, 1102, 2204, 4408, 4663, 9326, 18652, 37304, 88597, 135227, 177194, 270454, 354388, 540908, 708776, 1081816, 2569313, 5138626, 10277252, 20554504]

約数ペア:

[(1, 20554504), (2, 10277252), (4, 5138626), (8, 2569313), (19, 1081816), (29, 708776), (38, 540908), (58, 354388), (76, 270454), (116, 177194), (152, 135227), (232, 88597), (551, 37304), (1102, 18652), (2204, 9326), (4408, 4663)]