20122158

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{6563}}^1$

素因数の和:6648

約数の個数: 32

約数和(自身を含む): 46630656

約数和(自身を除く): 26508498

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 73, 146, 219, 438, 511, 1022, 1533, 3066, 6563, 13126, 19689, 39378, 45941, 91882, 137823, 275646, 479099, 958198, 1437297, 2874594, 3353693, 6707386, 10061079, 20122158]

約数ペア:

[(1, 20122158), (2, 10061079), (3, 6707386), (6, 3353693), (7, 2874594), (14, 1437297), (21, 958198), (42, 479099), (73, 275646), (146, 137823), (219, 91882), (438, 45941), (511, 39378), (1022, 19689), (1533, 13126), (3066, 6563)]