20539057

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:277

約数の個数: 32

約数和(自身を含む): 27417600

約数和(自身を除く): 6878543

約数列:

[1, 7, 11, 19, 77, 101, 133, 139, 209, 707, 973, 1111, 1463, 1529, 1919, 2641, 7777, 10703, 13433, 14039, 18487, 21109, 29051, 98273, 147763, 154429, 203357, 266741, 1081003, 1867187, 2934151, 20539057]

約数ペア:

[(1, 20539057), (7, 2934151), (11, 1867187), (19, 1081003), (77, 266741), (101, 203357), (133, 154429), (139, 147763), (209, 98273), (707, 29051), (973, 21109), (1111, 18487), (1463, 14039), (1529, 13433), (1919, 10703), (2641, 7777)]