20155904056

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{433}}^1\times {\mathrm{1021}}^1$

素因数の和:1640

約数の個数: 64

約数和(自身を含む): 39120933600

約数和(自身を除く): 18965029544

約数列:

[1, 2, 4, 8, 41, 82, 139, 164, 278, 328, 433, 556, 866, 1021, 1112, 1732, 2042, 3464, 4084, 5699, 8168, 11398, 17753, 22796, 35506, 41861, 45592, 60187, 71012, 83722, 120374, 141919, 142024, 167444, 240748, 283838, 334888, 442093, 481496, 567676, 884186, 1135352, 1768372, 2467667, 3536744, 4935334, 5818679, 9870668, 11637358, 18125813, 19741336, 23274716, 36251626, 46549432, 61450927, 72503252, 122901854, 145006504, 245803708, 491607416, 2519488007, 5038976014, 10077952028, 20155904056]

約数ペア:

[(1, 20155904056), (2, 10077952028), (4, 5038976014), (8, 2519488007), (41, 491607416), (82, 245803708), (139, 145006504), (164, 122901854), (278, 72503252), (328, 61450927), (433, 46549432), (556, 36251626), (866, 23274716), (1021, 19741336), (1112, 18125813), (1732, 11637358), (2042, 9870668), (3464, 5818679), (4084, 4935334), (5699, 3536744), (8168, 2467667), (11398, 1768372), (17753, 1135352), (22796, 884186), (35506, 567676), (41861, 481496), (45592, 442093), (60187, 334888), (71012, 283838), (83722, 240748), (120374, 167444), (141919, 142024)]