20843970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{99257}}^1$

素因数の和:99274

約数の個数: 32

約数和(自身を含む): 57172608

約数和(自身を除く): 36328638

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 99257, 198514, 297771, 496285, 595542, 694799, 992570, 1389598, 1488855, 2084397, 2977710, 3473995, 4168794, 6947990, 10421985, 20843970]

約数ペア:

[(1, 20843970), (2, 10421985), (3, 6947990), (5, 4168794), (6, 3473995), (7, 2977710), (10, 2084397), (14, 1488855), (15, 1389598), (21, 992570), (30, 694799), (35, 595542), (42, 496285), (70, 297771), (105, 198514), (210, 99257)]