20020284

素因数分解:

$2^2\times 3^5\times {\mathrm{43}}^1\times {\mathrm{479}}^1$

素因数の和:541

約数の個数: 72

約数和(自身を含む): 53813760

約数和(自身を除く): 33793476

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 81, 86, 108, 129, 162, 172, 243, 258, 324, 387, 479, 486, 516, 774, 958, 972, 1161, 1437, 1548, 1916, 2322, 2874, 3483, 4311, 4644, 5748, 6966, 8622, 10449, 12933, 13932, 17244, 20597, 20898, 25866, 38799, 41194, 41796, 51732, 61791, 77598, 82388, 116397, 123582, 155196, 185373, 232794, 247164, 370746, 465588, 556119, 741492, 1112238, 1668357, 2224476, 3336714, 5005071, 6673428, 10010142, 20020284]

約数ペア:

[(1, 20020284), (2, 10010142), (3, 6673428), (4, 5005071), (6, 3336714), (9, 2224476), (12, 1668357), (18, 1112238), (27, 741492), (36, 556119), (43, 465588), (54, 370746), (81, 247164), (86, 232794), (108, 185373), (129, 155196), (162, 123582), (172, 116397), (243, 82388), (258, 77598), (324, 61791), (387, 51732), (479, 41796), (486, 41194), (516, 38799), (774, 25866), (958, 20898), (972, 20597), (1161, 17244), (1437, 13932), (1548, 12933), (1916, 10449), (2322, 8622), (2874, 6966), (3483, 5748), (4311, 4644)]