20619256

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19379}}^1$

素因数の和:19411

約数の個数: 32

約数和(自身を含む): 46512000

約数和(自身を除く): 25892744

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 19379, 38758, 77516, 135653, 155032, 271306, 368201, 542612, 736402, 1085224, 1472804, 2577407, 2945608, 5154814, 10309628, 20619256]

約数ペア:

[(1, 20619256), (2, 10309628), (4, 5154814), (7, 2945608), (8, 2577407), (14, 1472804), (19, 1085224), (28, 736402), (38, 542612), (56, 368201), (76, 271306), (133, 155032), (152, 135653), (266, 77516), (532, 38758), (1064, 19379)]