20757224

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{1163}}^1$

素因数の和:1289

約数の個数: 32

約数和(自身を含む): 41065920

約数和(自身を除く): 20308696

約数列:

[1, 2, 4, 8, 23, 46, 92, 97, 184, 194, 388, 776, 1163, 2231, 2326, 4462, 4652, 8924, 9304, 17848, 26749, 53498, 106996, 112811, 213992, 225622, 451244, 902488, 2594653, 5189306, 10378612, 20757224]

約数ペア:

[(1, 20757224), (2, 10378612), (4, 5189306), (8, 2594653), (23, 902488), (46, 451244), (92, 225622), (97, 213992), (184, 112811), (194, 106996), (388, 53498), (776, 26749), (1163, 17848), (2231, 9304), (2326, 8924), (4462, 4652)]