20108176

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2657}}^1$

素因数の和:2719

約数の個数: 40

約数和(自身を含む): 43506144

約数和(自身を除く): 23397968

約数列:

[1, 2, 4, 8, 11, 16, 22, 43, 44, 86, 88, 172, 176, 344, 473, 688, 946, 1892, 2657, 3784, 5314, 7568, 10628, 21256, 29227, 42512, 58454, 114251, 116908, 228502, 233816, 457004, 467632, 914008, 1256761, 1828016, 2513522, 5027044, 10054088, 20108176]

約数ペア:

[(1, 20108176), (2, 10054088), (4, 5027044), (8, 2513522), (11, 1828016), (16, 1256761), (22, 914008), (43, 467632), (44, 457004), (86, 233816), (88, 228502), (172, 116908), (176, 114251), (344, 58454), (473, 42512), (688, 29227), (946, 21256), (1892, 10628), (2657, 7568), (3784, 5314)]