2080994420

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{689071}}^1$

素因数の和:689231

約数の個数: 24

約数和(自身を含む): 4399035648

約数和(自身を除く): 2318041228

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 3020, 689071, 1378142, 2756284, 3445355, 6890710, 13781420, 104049721, 208099442, 416198884, 520248605, 1040497210, 2080994420]

約数ペア:

[(1, 2080994420), (2, 1040497210), (4, 520248605), (5, 416198884), (10, 208099442), (20, 104049721), (151, 13781420), (302, 6890710), (604, 3445355), (755, 2756284), (1510, 1378142), (3020, 689071)]