20749190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{26947}}^1$

素因数の和:26972

約数の個数: 32

約数和(自身を含む): 46566144

約数和(自身を除く): 25816954

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 26947, 53894, 134735, 188629, 269470, 296417, 377258, 592834, 943145, 1482085, 1886290, 2074919, 2964170, 4149838, 10374595, 20749190]

約数ペア:

[(1, 20749190), (2, 10374595), (5, 4149838), (7, 2964170), (10, 2074919), (11, 1886290), (14, 1482085), (22, 943145), (35, 592834), (55, 377258), (70, 296417), (77, 269470), (110, 188629), (154, 134735), (385, 53894), (770, 26947)]