20653072

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2729}}^1$

素因数の和:2791

約数の個数: 40

約数和(自身を含む): 44684640

約数和(自身を除く): 24031568

約数列:

[1, 2, 4, 8, 11, 16, 22, 43, 44, 86, 88, 172, 176, 344, 473, 688, 946, 1892, 2729, 3784, 5458, 7568, 10916, 21832, 30019, 43664, 60038, 117347, 120076, 234694, 240152, 469388, 480304, 938776, 1290817, 1877552, 2581634, 5163268, 10326536, 20653072]

約数ペア:

[(1, 20653072), (2, 10326536), (4, 5163268), (8, 2581634), (11, 1877552), (16, 1290817), (22, 938776), (43, 480304), (44, 469388), (86, 240152), (88, 234694), (172, 120076), (176, 117347), (344, 60038), (473, 43664), (688, 30019), (946, 21832), (1892, 10916), (2729, 7568), (3784, 5458)]