20679976

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1367}}^1$

素因数の和:1465

約数の個数: 32

約数和(自身を含む): 40711680

約数和(自身を除く): 20031704

約数列:

[1, 2, 4, 8, 31, 61, 62, 122, 124, 244, 248, 488, 1367, 1891, 2734, 3782, 5468, 7564, 10936, 15128, 42377, 83387, 84754, 166774, 169508, 333548, 339016, 667096, 2584997, 5169994, 10339988, 20679976]

約数ペア:

[(1, 20679976), (2, 10339988), (4, 5169994), (8, 2584997), (31, 667096), (61, 339016), (62, 333548), (122, 169508), (124, 166774), (244, 84754), (248, 83387), (488, 42377), (1367, 15128), (1891, 10936), (2734, 7564), (3782, 5468)]