20578744

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{1153}}^1$

素因数の和:1279

約数の個数: 32

約数和(自身を含む): 40713120

約数和(自身を除く): 20134376

約数列:

[1, 2, 4, 8, 23, 46, 92, 97, 184, 194, 388, 776, 1153, 2231, 2306, 4462, 4612, 8924, 9224, 17848, 26519, 53038, 106076, 111841, 212152, 223682, 447364, 894728, 2572343, 5144686, 10289372, 20578744]

約数ペア:

[(1, 20578744), (2, 10289372), (4, 5144686), (8, 2572343), (23, 894728), (46, 447364), (92, 223682), (97, 212152), (184, 111841), (194, 106076), (388, 53038), (776, 26519), (1153, 17848), (2231, 9224), (2306, 8924), (4462, 4612)]