20485514282

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{86929}}^1$

素因数の和:87110

約数の個数: 32

約数和(自身を含む): 33047308800

約数和(自身を除く): 12561794518

約数列:

[1, 2, 23, 46, 47, 94, 109, 218, 1081, 2162, 2507, 5014, 5123, 10246, 86929, 117829, 173858, 235658, 1999367, 3998734, 4085663, 8171326, 9475261, 18950522, 93970249, 187940498, 217931003, 435862006, 445337267, 890674534, 10242757141, 20485514282]

約数ペア:

[(1, 20485514282), (2, 10242757141), (23, 890674534), (46, 445337267), (47, 435862006), (94, 217931003), (109, 187940498), (218, 93970249), (1081, 18950522), (2162, 9475261), (2507, 8171326), (5014, 4085663), (5123, 3998734), (10246, 1999367), (86929, 235658), (117829, 173858)]