20713148

素因数分解:

$2^2\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{701}}^1$

素因数の和:877

約数の個数: 24

約数和(自身を含む): 37149840

約数和(自身を除く): 16436692

約数列:

[1, 2, 4, 83, 89, 166, 178, 332, 356, 701, 1402, 2804, 7387, 14774, 29548, 58183, 62389, 116366, 124778, 232732, 249556, 5178287, 10356574, 20713148]

約数ペア:

[(1, 20713148), (2, 10356574), (4, 5178287), (83, 249556), (89, 232732), (166, 124778), (178, 116366), (332, 62389), (356, 58183), (701, 29548), (1402, 14774), (2804, 7387)]