20199897999

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{271}}^1\times {\mathrm{202001}}^1$

素因数の和:202319

約数の個数: 24

約数和(自身を含む): 29999721024

約数和(自身を除く): 9799823025

約数列:

[1, 3, 9, 41, 123, 271, 369, 813, 2439, 11111, 33333, 99999, 202001, 606003, 1818009, 8282041, 24846123, 54742271, 74538369, 164226813, 492680439, 2244433111, 6733299333, 20199897999]

約数ペア:

[(1, 20199897999), (3, 6733299333), (9, 2244433111), (41, 492680439), (123, 164226813), (271, 74538369), (369, 54742271), (813, 24846123), (2439, 8282041), (11111, 1818009), (33333, 606003), (99999, 202001)]