20506064

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{541}}^1$

素因数の和:675

約数の個数: 40

約数和(自身を含む): 41937792

約数和(自身を除く): 21431728

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 103, 184, 206, 368, 412, 541, 824, 1082, 1648, 2164, 2369, 4328, 4738, 8656, 9476, 12443, 18952, 24886, 37904, 49772, 55723, 99544, 111446, 199088, 222892, 445784, 891568, 1281629, 2563258, 5126516, 10253032, 20506064]

約数ペア:

[(1, 20506064), (2, 10253032), (4, 5126516), (8, 2563258), (16, 1281629), (23, 891568), (46, 445784), (92, 222892), (103, 199088), (184, 111446), (206, 99544), (368, 55723), (412, 49772), (541, 37904), (824, 24886), (1082, 18952), (1648, 12443), (2164, 9476), (2369, 8656), (4328, 4738)]