20971584

素因数分解:

$2^6\times 3^2\times {\mathrm{23}}^1\times {\mathrm{1583}}^1$

素因数の和:1624

約数の個数: 84

約数和(自身を含む): 62764416

約数和(自身を除く): 41792832

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 32, 36, 46, 48, 64, 69, 72, 92, 96, 138, 144, 184, 192, 207, 276, 288, 368, 414, 552, 576, 736, 828, 1104, 1472, 1583, 1656, 2208, 3166, 3312, 4416, 4749, 6332, 6624, 9498, 12664, 13248, 14247, 18996, 25328, 28494, 36409, 37992, 50656, 56988, 72818, 75984, 101312, 109227, 113976, 145636, 151968, 218454, 227952, 291272, 303936, 327681, 436908, 455904, 582544, 655362, 873816, 911808, 1165088, 1310724, 1747632, 2330176, 2621448, 3495264, 5242896, 6990528, 10485792, 20971584]

約数ペア:

[(1, 20971584), (2, 10485792), (3, 6990528), (4, 5242896), (6, 3495264), (8, 2621448), (9, 2330176), (12, 1747632), (16, 1310724), (18, 1165088), (23, 911808), (24, 873816), (32, 655362), (36, 582544), (46, 455904), (48, 436908), (64, 327681), (69, 303936), (72, 291272), (92, 227952), (96, 218454), (138, 151968), (144, 145636), (184, 113976), (192, 109227), (207, 101312), (276, 75984), (288, 72818), (368, 56988), (414, 50656), (552, 37992), (576, 36409), (736, 28494), (828, 25328), (1104, 18996), (1472, 14247), (1583, 13248), (1656, 12664), (2208, 9498), (3166, 6624), (3312, 6332), (4416, 4749)]