20316016

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9547}}^1$

素因数の和:9581

約数の個数: 40

約数和(自身を含む): 47358080

約数和(自身を除く): 27042064

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 9547, 19094, 38188, 66829, 76376, 133658, 152752, 181393, 267316, 362786, 534632, 725572, 1069264, 1269751, 1451144, 2539502, 2902288, 5079004, 10158008, 20316016]

約数ペア:

[(1, 20316016), (2, 10158008), (4, 5079004), (7, 2902288), (8, 2539502), (14, 1451144), (16, 1269751), (19, 1069264), (28, 725572), (38, 534632), (56, 362786), (76, 267316), (112, 181393), (133, 152752), (152, 133658), (266, 76376), (304, 66829), (532, 38188), (1064, 19094), (2128, 9547)]