20123034278

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{499}}^1\times {\mathrm{9161}}^1$

素因数の和:9764

約数の個数: 32

約数和(自身を含む): 31663872000

約数和(自身を除く): 11540837722

約数列:

[1, 2, 31, 62, 71, 142, 499, 998, 2201, 4402, 9161, 15469, 18322, 30938, 35429, 70858, 283991, 567982, 650431, 1098299, 1300862, 2196598, 4571339, 9142678, 20163361, 40326722, 141711509, 283423018, 324565069, 649130138, 10061517139, 20123034278]

約数ペア:

[(1, 20123034278), (2, 10061517139), (31, 649130138), (62, 324565069), (71, 283423018), (142, 141711509), (499, 40326722), (998, 20163361), (2201, 9142678), (4402, 4571339), (9161, 2196598), (15469, 1300862), (18322, 1098299), (30938, 650431), (35429, 567982), (70858, 283991)]