20784294244

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2297}}^1\times {\mathrm{3631}}^1$

素因数の和:6028

約数の個数: 48

約数和(自身を含む): 42065533440

約数和(自身を除く): 21281239196

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 2297, 2492, 3631, 4594, 7262, 9188, 14524, 16079, 25417, 32158, 50834, 64316, 101668, 204433, 323159, 408866, 646318, 817732, 1292636, 1431031, 2262113, 2862062, 4524226, 5724124, 8340407, 9048452, 16680814, 33361628, 58382849, 116765698, 233531396, 742296223, 1484592446, 2969184892, 5196073561, 10392147122, 20784294244]

約数ペア:

[(1, 20784294244), (2, 10392147122), (4, 5196073561), (7, 2969184892), (14, 1484592446), (28, 742296223), (89, 233531396), (178, 116765698), (356, 58382849), (623, 33361628), (1246, 16680814), (2297, 9048452), (2492, 8340407), (3631, 5724124), (4594, 4524226), (7262, 2862062), (9188, 2262113), (14524, 1431031), (16079, 1292636), (25417, 817732), (32158, 646318), (50834, 408866), (64316, 323159), (101668, 204433)]