20927792

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:150

約数の個数: 80

約数和(自身を含む): 45800640

約数和(自身を除く): 24872848

約数列:

[1, 2, 4, 8, 16, 23, 29, 37, 46, 53, 58, 74, 92, 106, 116, 148, 184, 212, 232, 296, 368, 424, 464, 592, 667, 848, 851, 1073, 1219, 1334, 1537, 1702, 1961, 2146, 2438, 2668, 3074, 3404, 3922, 4292, 4876, 5336, 6148, 6808, 7844, 8584, 9752, 10672, 12296, 13616, 15688, 17168, 19504, 24592, 24679, 31376, 35351, 45103, 49358, 56869, 70702, 90206, 98716, 113738, 141404, 180412, 197432, 227476, 282808, 360824, 394864, 454952, 565616, 721648, 909904, 1307987, 2615974, 5231948, 10463896, 20927792]

約数ペア:

[(1, 20927792), (2, 10463896), (4, 5231948), (8, 2615974), (16, 1307987), (23, 909904), (29, 721648), (37, 565616), (46, 454952), (53, 394864), (58, 360824), (74, 282808), (92, 227476), (106, 197432), (116, 180412), (148, 141404), (184, 113738), (212, 98716), (232, 90206), (296, 70702), (368, 56869), (424, 49358), (464, 45103), (592, 35351), (667, 31376), (848, 24679), (851, 24592), (1073, 19504), (1219, 17168), (1334, 15688), (1537, 13616), (1702, 12296), (1961, 10672), (2146, 9752), (2438, 8584), (2668, 7844), (3074, 6808), (3404, 6148), (3922, 5336), (4292, 4876)]