219933020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{268211}}^1$

素因数の和:268261

約数の個数: 24

約数和(自身を含む): 473125968

約数和(自身を除く): 253192948

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 268211, 536422, 1072844, 1341055, 2682110, 5364220, 10996651, 21993302, 43986604, 54983255, 109966510, 219933020]

約数ペア:

[(1, 219933020), (2, 109966510), (4, 54983255), (5, 43986604), (10, 21993302), (20, 10996651), (41, 5364220), (82, 2682110), (164, 1341055), (205, 1072844), (410, 536422), (820, 268211)]