20732656

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{10889}}^1$

素因数の和:10921

約数の個数: 40

約数和(自身を含む): 48612960

約数和(自身を除く): 27880304

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 476, 952, 1904, 10889, 21778, 43556, 76223, 87112, 152446, 174224, 185113, 304892, 370226, 609784, 740452, 1219568, 1295791, 1480904, 2591582, 2961808, 5183164, 10366328, 20732656]

約数ペア:

[(1, 20732656), (2, 10366328), (4, 5183164), (7, 2961808), (8, 2591582), (14, 1480904), (16, 1295791), (17, 1219568), (28, 740452), (34, 609784), (56, 370226), (68, 304892), (112, 185113), (119, 174224), (136, 152446), (238, 87112), (272, 76223), (476, 43556), (952, 21778), (1904, 10889)]