20898262

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1399}}^1$

素因数の和:1516

約数の個数: 32

約数和(自身を含む): 39513600

約数和(自身を除く): 18615338

約数列:

[1, 2, 7, 11, 14, 22, 77, 97, 154, 194, 679, 1067, 1358, 1399, 2134, 2798, 7469, 9793, 14938, 15389, 19586, 30778, 107723, 135703, 215446, 271406, 949921, 1492733, 1899842, 2985466, 10449131, 20898262]

約数ペア:

[(1, 20898262), (2, 10449131), (7, 2985466), (11, 1899842), (14, 1492733), (22, 949921), (77, 271406), (97, 215446), (154, 135703), (194, 107723), (679, 30778), (1067, 19586), (1358, 15389), (1399, 14938), (2134, 9793), (2798, 7469)]