20716190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{4007}}^1$

素因数の和:4072

約数の個数: 32

約数和(自身を含む): 41554944

約数和(自身を除く): 20838754

約数列:

[1, 2, 5, 10, 11, 22, 47, 55, 94, 110, 235, 470, 517, 1034, 2585, 4007, 5170, 8014, 20035, 40070, 44077, 88154, 188329, 220385, 376658, 440770, 941645, 1883290, 2071619, 4143238, 10358095, 20716190]

約数ペア:

[(1, 20716190), (2, 10358095), (5, 4143238), (10, 2071619), (11, 1883290), (22, 941645), (47, 440770), (55, 376658), (94, 220385), (110, 188329), (235, 88154), (470, 44077), (517, 40070), (1034, 20035), (2585, 8014), (4007, 5170)]