20004952

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{809}}^1$

素因数の和:1107

約数の個数: 32

約数和(自身を含む): 41115600

約数和(自身を除く): 21110648

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 281, 562, 809, 1124, 1618, 2248, 3091, 3236, 6182, 6472, 8899, 12364, 17798, 24728, 35596, 71192, 227329, 454658, 909316, 1818632, 2500619, 5001238, 10002476, 20004952]

約数ペア:

[(1, 20004952), (2, 10002476), (4, 5001238), (8, 2500619), (11, 1818632), (22, 909316), (44, 454658), (88, 227329), (281, 71192), (562, 35596), (809, 24728), (1124, 17798), (1618, 12364), (2248, 8899), (3091, 6472), (3236, 6182)]