20540427964

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6151}}^1\times {\mathrm{6277}}^1$

素因数の和:12458

約数の個数: 48

約数和(自身を含む): 43256926720

約数和(自身を除く): 22716498756

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 6151, 6277, 12302, 12554, 24604, 25108, 43057, 43939, 86114, 87878, 116869, 119263, 172228, 175756, 233738, 238526, 467476, 477052, 818083, 834841, 1636166, 1669682, 3272332, 3339364, 38609827, 77219654, 154439308, 270268789, 540537578, 733586713, 1081075156, 1467173426, 2934346852, 5135106991, 10270213982, 20540427964]

約数ペア:

[(1, 20540427964), (2, 10270213982), (4, 5135106991), (7, 2934346852), (14, 1467173426), (19, 1081075156), (28, 733586713), (38, 540537578), (76, 270268789), (133, 154439308), (266, 77219654), (532, 38609827), (6151, 3339364), (6277, 3272332), (12302, 1669682), (12554, 1636166), (24604, 834841), (25108, 818083), (43057, 477052), (43939, 467476), (86114, 238526), (87878, 233738), (116869, 175756), (119263, 172228)]