20257296

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{311}}^1$

素因数の和:404

約数の個数: 80

約数和(自身を含む): 55710720

約数和(自身を除く): 35453424

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 59, 69, 92, 118, 138, 177, 184, 236, 276, 311, 354, 368, 472, 552, 622, 708, 933, 944, 1104, 1244, 1357, 1416, 1866, 2488, 2714, 2832, 3732, 4071, 4976, 5428, 7153, 7464, 8142, 10856, 14306, 14928, 16284, 18349, 21459, 21712, 28612, 32568, 36698, 42918, 55047, 57224, 65136, 73396, 85836, 110094, 114448, 146792, 171672, 220188, 293584, 343344, 422027, 440376, 844054, 880752, 1266081, 1688108, 2532162, 3376216, 5064324, 6752432, 10128648, 20257296]

約数ペア:

[(1, 20257296), (2, 10128648), (3, 6752432), (4, 5064324), (6, 3376216), (8, 2532162), (12, 1688108), (16, 1266081), (23, 880752), (24, 844054), (46, 440376), (48, 422027), (59, 343344), (69, 293584), (92, 220188), (118, 171672), (138, 146792), (177, 114448), (184, 110094), (236, 85836), (276, 73396), (311, 65136), (354, 57224), (368, 55047), (472, 42918), (552, 36698), (622, 32568), (708, 28612), (933, 21712), (944, 21459), (1104, 18349), (1244, 16284), (1357, 14928), (1416, 14306), (1866, 10856), (2488, 8142), (2714, 7464), (2832, 7153), (3732, 5428), (4071, 4976)]