20716136

素因数分解:

$2^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{4457}}^1$

素因数の和:4553

約数の個数: 32

約数和(自身を含む): 44936640

約数和(自身を除く): 24220504

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 83, 166, 332, 581, 664, 1162, 2324, 4457, 4648, 8914, 17828, 31199, 35656, 62398, 124796, 249592, 369931, 739862, 1479724, 2589517, 2959448, 5179034, 10358068, 20716136]

約数ペア:

[(1, 20716136), (2, 10358068), (4, 5179034), (7, 2959448), (8, 2589517), (14, 1479724), (28, 739862), (56, 369931), (83, 249592), (166, 124796), (332, 62398), (581, 35656), (664, 31199), (1162, 17828), (2324, 8914), (4457, 4648)]