20830132

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{809}}^1$

素因数の和:1011

約数の個数: 24

約数和(自身を含む): 37626120

約数和(自身を除く): 16795988

約数列:

[1, 2, 4, 41, 82, 157, 164, 314, 628, 809, 1618, 3236, 6437, 12874, 25748, 33169, 66338, 127013, 132676, 254026, 508052, 5207533, 10415066, 20830132]

約数ペア:

[(1, 20830132), (2, 10415066), (4, 5207533), (41, 508052), (82, 254026), (157, 132676), (164, 127013), (314, 66338), (628, 33169), (809, 25748), (1618, 12874), (3236, 6437)]