20164168

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{2503}}^1$

素因数の和:2581

約数の個数: 32

約数和(自身を含む): 40564800

約数和(自身を除く): 20400632

約数列:

[1, 2, 4, 8, 19, 38, 53, 76, 106, 152, 212, 424, 1007, 2014, 2503, 4028, 5006, 8056, 10012, 20024, 47557, 95114, 132659, 190228, 265318, 380456, 530636, 1061272, 2520521, 5041042, 10082084, 20164168]

約数ペア:

[(1, 20164168), (2, 10082084), (4, 5041042), (8, 2520521), (19, 1061272), (38, 530636), (53, 380456), (76, 265318), (106, 190228), (152, 132659), (212, 95114), (424, 47557), (1007, 20024), (2014, 10012), (2503, 8056), (4028, 5006)]