20104438

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{547}}^1$

素因数の和:636

約数の個数: 32

約数和(自身を含む): 34089984

約数和(自身を除く): 13985546

約数列:

[1, 2, 17, 23, 34, 46, 47, 94, 391, 547, 782, 799, 1081, 1094, 1598, 2162, 9299, 12581, 18377, 18598, 25162, 25709, 36754, 51418, 213877, 427754, 437053, 591307, 874106, 1182614, 10052219, 20104438]

約数ペア:

[(1, 20104438), (2, 10052219), (17, 1182614), (23, 874106), (34, 591307), (46, 437053), (47, 427754), (94, 213877), (391, 51418), (547, 36754), (782, 25709), (799, 25162), (1081, 18598), (1094, 18377), (1598, 12581), (2162, 9299)]