20728589184

素因数分解:

$2^7\times 3^2\times {\mathrm{23}}^1\times {\mathrm{782329}}^1$

素因数の和:782372

約数の個数: 96

約数和(自身を含む): 62242174800

約数和(自身を除く): 41513585616

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 32, 36, 46, 48, 64, 69, 72, 92, 96, 128, 138, 144, 184, 192, 207, 276, 288, 368, 384, 414, 552, 576, 736, 828, 1104, 1152, 1472, 1656, 2208, 2944, 3312, 4416, 6624, 8832, 13248, 26496, 782329, 1564658, 2346987, 3129316, 4693974, 6258632, 7040961, 9387948, 12517264, 14081922, 17993567, 18775896, 25034528, 28163844, 35987134, 37551792, 50069056, 53980701, 56327688, 71974268, 75103584, 100138112, 107961402, 112655376, 143948536, 150207168, 161942103, 215922804, 225310752, 287897072, 300414336, 323884206, 431845608, 450621504, 575794144, 647768412, 863691216, 901243008, 1151588288, 1295536824, 1727382432, 2303176576, 2591073648, 3454764864, 5182147296, 6909529728, 10364294592, 20728589184]

約数ペア:

[(1, 20728589184), (2, 10364294592), (3, 6909529728), (4, 5182147296), (6, 3454764864), (8, 2591073648), (9, 2303176576), (12, 1727382432), (16, 1295536824), (18, 1151588288), (23, 901243008), (24, 863691216), (32, 647768412), (36, 575794144), (46, 450621504), (48, 431845608), (64, 323884206), (69, 300414336), (72, 287897072), (92, 225310752), (96, 215922804), (128, 161942103), (138, 150207168), (144, 143948536), (184, 112655376), (192, 107961402), (207, 100138112), (276, 75103584), (288, 71974268), (368, 56327688), (384, 53980701), (414, 50069056), (552, 37551792), (576, 35987134), (736, 28163844), (828, 25034528), (1104, 18775896), (1152, 17993567), (1472, 14081922), (1656, 12517264), (2208, 9387948), (2944, 7040961), (3312, 6258632), (4416, 4693974), (6624, 3129316), (8832, 2346987), (13248, 1564658), (26496, 782329)]