20178196311

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{823}}^1\times {\mathrm{89809}}^1$

素因数の和:90655

約数の個数: 32

約数和(自身を含む): 33153541120

約数和(自身を除く): 12975344809

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 823, 2469, 5761, 10699, 17283, 32097, 74893, 89809, 224679, 269427, 628663, 1167517, 1885989, 3502551, 8172619, 24517857, 73912807, 221738421, 517389649, 960866491, 1552168947, 2882599473, 6726065437, 20178196311]

約数ペア:

[(1, 20178196311), (3, 6726065437), (7, 2882599473), (13, 1552168947), (21, 960866491), (39, 517389649), (91, 221738421), (273, 73912807), (823, 24517857), (2469, 8172619), (5761, 3502551), (10699, 1885989), (17283, 1167517), (32097, 628663), (74893, 269427), (89809, 224679)]