20267555

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{863}}^1$

素因数の和:947

約数の個数: 32

約数和(自身を含む): 30855168

約数和(自身を除く): 10587613

約数列:

[1, 5, 7, 11, 35, 55, 61, 77, 305, 385, 427, 671, 863, 2135, 3355, 4315, 4697, 6041, 9493, 23485, 30205, 47465, 52643, 66451, 263215, 332255, 368501, 579073, 1842505, 2895365, 4053511, 20267555]

約数ペア:

[(1, 20267555), (5, 4053511), (7, 2895365), (11, 1842505), (35, 579073), (55, 368501), (61, 332255), (77, 263215), (305, 66451), (385, 52643), (427, 47465), (671, 30205), (863, 23485), (2135, 9493), (3355, 6041), (4315, 4697)]