20144263923

素因数分解:

$3^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{801379}}^1$

素因数の和:801421

約数の個数: 48

約数和(自身を含む): 36542928000

約数和(自身を除く): 16398664077

約数列:

[1, 3, 7, 9, 19, 21, 27, 49, 57, 63, 133, 147, 171, 189, 399, 441, 513, 931, 1197, 1323, 2793, 3591, 8379, 25137, 801379, 2404137, 5609653, 7212411, 15226201, 16828959, 21637233, 39267571, 45678603, 50486877, 106583407, 117802713, 137035809, 151460631, 319750221, 353408139, 411107427, 746083849, 959250663, 1060224417, 2238251547, 2877751989, 6714754641, 20144263923]

約数ペア:

[(1, 20144263923), (3, 6714754641), (7, 2877751989), (9, 2238251547), (19, 1060224417), (21, 959250663), (27, 746083849), (49, 411107427), (57, 353408139), (63, 319750221), (133, 151460631), (147, 137035809), (171, 117802713), (189, 106583407), (399, 50486877), (441, 45678603), (513, 39267571), (931, 21637233), (1197, 16828959), (1323, 15226201), (2793, 7212411), (3591, 5609653), (8379, 2404137), (25137, 801379)]