20678116

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{4507}}^1$

素因数の和:4579

約数の個数: 24

約数和(自身を含む): 38372096

約数和(自身を除く): 17693980

約数列:

[1, 2, 4, 31, 37, 62, 74, 124, 148, 1147, 2294, 4507, 4588, 9014, 18028, 139717, 166759, 279434, 333518, 558868, 667036, 5169529, 10339058, 20678116]

約数ペア:

[(1, 20678116), (2, 10339058), (4, 5169529), (31, 667036), (37, 558868), (62, 333518), (74, 279434), (124, 166759), (148, 139717), (1147, 18028), (2294, 9014), (4507, 4588)]