20322757

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{419}}^1$

素因数の和:493

約数の個数: 24

約数和(自身を含む): 25824960

約数和(自身を除く): 5502203

約数列:

[1, 7, 13, 41, 91, 169, 287, 419, 533, 1183, 2933, 3731, 5447, 6929, 17179, 38129, 48503, 70811, 120253, 223327, 495677, 1563289, 2903251, 20322757]

約数ペア:

[(1, 20322757), (7, 2903251), (13, 1563289), (41, 495677), (91, 223327), (169, 120253), (287, 70811), (419, 48503), (533, 38129), (1183, 17179), (2933, 6929), (3731, 5447)]