20372716

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{577}}^1$

素因数の和:698

約数の個数: 48

約数和(自身を含む): 44408896

約数和(自身を除く): 24036180

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 97, 182, 194, 364, 388, 577, 679, 1154, 1261, 1358, 2308, 2522, 2716, 4039, 5044, 7501, 8078, 8827, 15002, 16156, 17654, 30004, 35308, 52507, 55969, 105014, 111938, 210028, 223876, 391783, 727597, 783566, 1455194, 1567132, 2910388, 5093179, 10186358, 20372716]

約数ペア:

[(1, 20372716), (2, 10186358), (4, 5093179), (7, 2910388), (13, 1567132), (14, 1455194), (26, 783566), (28, 727597), (52, 391783), (91, 223876), (97, 210028), (182, 111938), (194, 105014), (364, 55969), (388, 52507), (577, 35308), (679, 30004), (1154, 17654), (1261, 16156), (1358, 15002), (2308, 8827), (2522, 8078), (2716, 7501), (4039, 5044)]