20069476

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 41789440

約数和(自身を除く): 21719964

約数列:

[1, 2, 4, 7, 14, 28, 43, 79, 86, 158, 172, 211, 301, 316, 422, 553, 602, 844, 1106, 1204, 1477, 2212, 2954, 3397, 5908, 6794, 9073, 13588, 16669, 18146, 23779, 33338, 36292, 47558, 63511, 66676, 95116, 116683, 127022, 233366, 254044, 466732, 716767, 1433534, 2867068, 5017369, 10034738, 20069476]

約数ペア:

[(1, 20069476), (2, 10034738), (4, 5017369), (7, 2867068), (14, 1433534), (28, 716767), (43, 466732), (79, 254044), (86, 233366), (158, 127022), (172, 116683), (211, 95116), (301, 66676), (316, 63511), (422, 47558), (553, 36292), (602, 33338), (844, 23779), (1106, 18146), (1204, 16669), (1477, 13588), (2212, 9073), (2954, 6794), (3397, 5908)]