20861184

素因数分解:

$2^8\times 3^1\times {\mathrm{23}}^1\times {\mathrm{1181}}^1$

素因数の和:1223

約数の個数: 72

約数和(自身を含む): 57984192

約数和(自身を除く): 37123008

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 64, 69, 92, 96, 128, 138, 184, 192, 256, 276, 368, 384, 552, 736, 768, 1104, 1181, 1472, 2208, 2362, 2944, 3543, 4416, 4724, 5888, 7086, 8832, 9448, 14172, 17664, 18896, 27163, 28344, 37792, 54326, 56688, 75584, 81489, 108652, 113376, 151168, 162978, 217304, 226752, 302336, 325956, 434608, 453504, 651912, 869216, 907008, 1303824, 1738432, 2607648, 3476864, 5215296, 6953728, 10430592, 20861184]

約数ペア:

[(1, 20861184), (2, 10430592), (3, 6953728), (4, 5215296), (6, 3476864), (8, 2607648), (12, 1738432), (16, 1303824), (23, 907008), (24, 869216), (32, 651912), (46, 453504), (48, 434608), (64, 325956), (69, 302336), (92, 226752), (96, 217304), (128, 162978), (138, 151168), (184, 113376), (192, 108652), (256, 81489), (276, 75584), (368, 56688), (384, 54326), (552, 37792), (736, 28344), (768, 27163), (1104, 18896), (1181, 17664), (1472, 14172), (2208, 9448), (2362, 8832), (2944, 7086), (3543, 5888), (4416, 4724)]