20790087983

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1301}}^1\times {\mathrm{2267}}^1$

素因数の和:3647

約数の個数: 32

約数和(自身を含む): 25513367040

約数和(自身を除く): 4723279057

約数列:

[1, 7, 19, 53, 133, 371, 1007, 1301, 2267, 7049, 9107, 15869, 24719, 43073, 68953, 120151, 173033, 301511, 482671, 841057, 1310107, 2282869, 2949367, 9170749, 15980083, 20645569, 56037973, 156316451, 392265811, 1094215157, 2970012569, 20790087983]

約数ペア:

[(1, 20790087983), (7, 2970012569), (19, 1094215157), (53, 392265811), (133, 156316451), (371, 56037973), (1007, 20645569), (1301, 15980083), (2267, 9170749), (7049, 2949367), (9107, 2282869), (15869, 1310107), (24719, 841057), (43073, 482671), (68953, 301511), (120151, 173033)]