20218172

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{1327}}^1$

素因数の和:1637

約数の個数: 24

約数和(自身を含む): 38262336

約数和(自身を除く): 18044164

約数列:

[1, 2, 4, 13, 26, 52, 293, 586, 1172, 1327, 2654, 3809, 5308, 7618, 15236, 17251, 34502, 69004, 388811, 777622, 1555244, 5054543, 10109086, 20218172]

約数ペア:

[(1, 20218172), (2, 10109086), (4, 5054543), (13, 1555244), (26, 777622), (52, 388811), (293, 69004), (586, 34502), (1172, 17251), (1327, 15236), (2654, 7618), (3809, 5308)]