20508384

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{16433}}^1$

素因数の和:16459

約数の個数: 48

約数和(自身を含む): 57979152

約数和(自身を除く): 37470768

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 16433, 32866, 49299, 65732, 98598, 131464, 197196, 213629, 262928, 394392, 427258, 525856, 640887, 788784, 854516, 1281774, 1577568, 1709032, 2563548, 3418064, 5127096, 6836128, 10254192, 20508384]

約数ペア:

[(1, 20508384), (2, 10254192), (3, 6836128), (4, 5127096), (6, 3418064), (8, 2563548), (12, 1709032), (13, 1577568), (16, 1281774), (24, 854516), (26, 788784), (32, 640887), (39, 525856), (48, 427258), (52, 394392), (78, 262928), (96, 213629), (104, 197196), (156, 131464), (208, 98598), (312, 65732), (416, 49299), (624, 32866), (1248, 16433)]