2020804989

素因数分解:

$3^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{402631}}^1$

素因数の和:402880

約数の個数: 16

約数和(自身を含む): 3092213760

約数和(自身を除く): 1071408771

約数列:

[1, 3, 7, 21, 239, 717, 1673, 5019, 402631, 1207893, 2818417, 8455251, 96228809, 288686427, 673601663, 2020804989]

約数ペア:

[(1, 2020804989), (3, 673601663), (7, 288686427), (21, 96228809), (239, 8455251), (717, 2818417), (1673, 1207893), (5019, 402631)]