20506472

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19273}}^1$

素因数の和:19305

約数の個数: 32

約数和(自身を含む): 46257600

約数和(自身を除く): 25751128

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 19273, 38546, 77092, 134911, 154184, 269822, 366187, 539644, 732374, 1079288, 1464748, 2563309, 2929496, 5126618, 10253236, 20506472]

約数ペア:

[(1, 20506472), (2, 10253236), (4, 5126618), (7, 2929496), (8, 2563309), (14, 1464748), (19, 1079288), (28, 732374), (38, 539644), (56, 366187), (76, 269822), (133, 154184), (152, 134911), (266, 77092), (532, 38546), (1064, 19273)]