20219972110

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{371213}}^1$

素因数の和:371652

約数の個数: 32

約数和(自身を含む): 39289289760

約数和(自身を除く): 19069317650

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 419, 838, 2095, 4190, 5447, 10894, 27235, 54470, 371213, 742426, 1856065, 3712130, 4825769, 9651538, 24128845, 48257690, 155538247, 311076494, 777691235, 1555382470, 2021997211, 4043994422, 10109986055, 20219972110]

約数ペア:

[(1, 20219972110), (2, 10109986055), (5, 4043994422), (10, 2021997211), (13, 1555382470), (26, 777691235), (65, 311076494), (130, 155538247), (419, 48257690), (838, 24128845), (2095, 9651538), (4190, 4825769), (5447, 3712130), (10894, 1856065), (27235, 742426), (54470, 371213)]