20478972504

素因数分解:

$2^3\times 3^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1\times {\mathrm{66523}}^1$

素因数の和:66760

約数の個数: 64

約数和(自身を含む): 52112240640

約数和(自身を除く): 31633268136

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 101, 127, 202, 254, 303, 381, 404, 508, 606, 762, 808, 1016, 1212, 1524, 2424, 3048, 12827, 25654, 38481, 51308, 66523, 76962, 102616, 133046, 153924, 199569, 266092, 307848, 399138, 532184, 798276, 1596552, 6718823, 8448421, 13437646, 16896842, 20156469, 25345263, 26875292, 33793684, 40312938, 50690526, 53750584, 67587368, 80625876, 101381052, 161251752, 202762104, 853290521, 1706581042, 2559871563, 3413162084, 5119743126, 6826324168, 10239486252, 20478972504]

約数ペア:

[(1, 20478972504), (2, 10239486252), (3, 6826324168), (4, 5119743126), (6, 3413162084), (8, 2559871563), (12, 1706581042), (24, 853290521), (101, 202762104), (127, 161251752), (202, 101381052), (254, 80625876), (303, 67587368), (381, 53750584), (404, 50690526), (508, 40312938), (606, 33793684), (762, 26875292), (808, 25345263), (1016, 20156469), (1212, 16896842), (1524, 13437646), (2424, 8448421), (3048, 6718823), (12827, 1596552), (25654, 798276), (38481, 532184), (51308, 399138), (66523, 307848), (76962, 266092), (102616, 199569), (133046, 153924)]