20789722239

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{619}}^1\times {\mathrm{991}}^1$

素因数の和:1716

約数の個数: 64

約数和(自身を含む): 33064550400

約数和(自身を除く): 12274828161

約数列:

[1, 3, 11, 13, 33, 39, 79, 143, 237, 429, 619, 869, 991, 1027, 1857, 2607, 2973, 3081, 6809, 8047, 10901, 11297, 12883, 20427, 24141, 32703, 33891, 38649, 48901, 78289, 88517, 141713, 146703, 234867, 265551, 425139, 537911, 613429, 635713, 861179, 1017757, 1613733, 1840287, 1907139, 2583537, 3053271, 6747719, 6992843, 7974577, 11195327, 20243157, 20978529, 23923731, 33585981, 48460891, 87720347, 145382673, 263161041, 533069801, 629991583, 1599209403, 1889974749, 6929907413, 20789722239]

約数ペア:

[(1, 20789722239), (3, 6929907413), (11, 1889974749), (13, 1599209403), (33, 629991583), (39, 533069801), (79, 263161041), (143, 145382673), (237, 87720347), (429, 48460891), (619, 33585981), (869, 23923731), (991, 20978529), (1027, 20243157), (1857, 11195327), (2607, 7974577), (2973, 6992843), (3081, 6747719), (6809, 3053271), (8047, 2583537), (10901, 1907139), (11297, 1840287), (12883, 1613733), (20427, 1017757), (24141, 861179), (32703, 635713), (33891, 613429), (38649, 537911), (48901, 425139), (78289, 265551), (88517, 234867), (141713, 146703)]