20165761908

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{857}}^1\times {\mathrm{13907}}^1$

素因数の和:14821

約数の個数: 72

約数和(自身を含む): 52123623552

約数和(自身を除く): 31957861644

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 94, 141, 188, 282, 423, 564, 846, 857, 1692, 1714, 2571, 3428, 5142, 7713, 10284, 13907, 15426, 27814, 30852, 40279, 41721, 55628, 80558, 83442, 120837, 125163, 161116, 166884, 241674, 250326, 362511, 483348, 500652, 653629, 725022, 1307258, 1450044, 1960887, 2614516, 3921774, 5882661, 7843548, 11765322, 11918299, 23530644, 23836598, 35754897, 47673196, 71509794, 107264691, 143019588, 214529382, 429058764, 560160053, 1120320106, 1680480159, 2240640212, 3360960318, 5041440477, 6721920636, 10082880954, 20165761908]

約数ペア:

[(1, 20165761908), (2, 10082880954), (3, 6721920636), (4, 5041440477), (6, 3360960318), (9, 2240640212), (12, 1680480159), (18, 1120320106), (36, 560160053), (47, 429058764), (94, 214529382), (141, 143019588), (188, 107264691), (282, 71509794), (423, 47673196), (564, 35754897), (846, 23836598), (857, 23530644), (1692, 11918299), (1714, 11765322), (2571, 7843548), (3428, 5882661), (5142, 3921774), (7713, 2614516), (10284, 1960887), (13907, 1450044), (15426, 1307258), (27814, 725022), (30852, 653629), (40279, 500652), (41721, 483348), (55628, 362511), (80558, 250326), (83442, 241674), (120837, 166884), (125163, 161116)]