20744688

素因数分解:

$2^4\times 3^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:262

約数の個数: 80

約数和(自身を含む): 55996416

約数和(自身を除く): 35251728

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 48, 82, 83, 123, 127, 164, 166, 246, 249, 254, 328, 332, 381, 492, 498, 508, 656, 664, 762, 984, 996, 1016, 1328, 1524, 1968, 1992, 2032, 3048, 3403, 3984, 5207, 6096, 6806, 10209, 10414, 10541, 13612, 15621, 20418, 20828, 21082, 27224, 31242, 31623, 40836, 41656, 42164, 54448, 62484, 63246, 81672, 83312, 84328, 124968, 126492, 163344, 168656, 249936, 252984, 432181, 505968, 864362, 1296543, 1728724, 2593086, 3457448, 5186172, 6914896, 10372344, 20744688]

約数ペア:

[(1, 20744688), (2, 10372344), (3, 6914896), (4, 5186172), (6, 3457448), (8, 2593086), (12, 1728724), (16, 1296543), (24, 864362), (41, 505968), (48, 432181), (82, 252984), (83, 249936), (123, 168656), (127, 163344), (164, 126492), (166, 124968), (246, 84328), (249, 83312), (254, 81672), (328, 63246), (332, 62484), (381, 54448), (492, 42164), (498, 41656), (508, 40836), (656, 31623), (664, 31242), (762, 27224), (984, 21082), (996, 20828), (1016, 20418), (1328, 15621), (1524, 13612), (1968, 10541), (1992, 10414), (2032, 10209), (3048, 6806), (3403, 6096), (3984, 5207)]