20670304

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{311}}^1$

素因数の和:419

約数の個数: 48

約数和(自身を含む): 42771456

約数和(自身を除く): 22101152

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 67, 124, 134, 248, 268, 311, 496, 536, 622, 992, 1072, 1244, 2077, 2144, 2488, 4154, 4976, 8308, 9641, 9952, 16616, 19282, 20837, 33232, 38564, 41674, 66464, 77128, 83348, 154256, 166696, 308512, 333392, 645947, 666784, 1291894, 2583788, 5167576, 10335152, 20670304]

約数ペア:

[(1, 20670304), (2, 10335152), (4, 5167576), (8, 2583788), (16, 1291894), (31, 666784), (32, 645947), (62, 333392), (67, 308512), (124, 166696), (134, 154256), (248, 83348), (268, 77128), (311, 66464), (496, 41674), (536, 38564), (622, 33232), (992, 20837), (1072, 19282), (1244, 16616), (2077, 9952), (2144, 9641), (2488, 8308), (4154, 4976)]