20104421865

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{647}}^1\times {\mathrm{188323}}^1$

素因数の和:188989

約数の個数: 32

約数和(自身を含む): 35145778176

約数和(自身を除く): 15041356311

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 647, 1941, 3235, 7117, 9705, 21351, 35585, 106755, 188323, 564969, 941615, 2071553, 2824845, 6214659, 10357765, 31073295, 121844981, 365534943, 609224905, 1340294791, 1827674715, 4020884373, 6701473955, 20104421865]

約数ペア:

[(1, 20104421865), (3, 6701473955), (5, 4020884373), (11, 1827674715), (15, 1340294791), (33, 609224905), (55, 365534943), (165, 121844981), (647, 31073295), (1941, 10357765), (3235, 6214659), (7117, 2824845), (9705, 2071553), (21351, 941615), (35585, 564969), (106755, 188323)]