20184640

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{9011}}^1$

素因数の和:9035

約数の個数: 56

約数和(自身を含む): 54937152

約数和(自身を除く): 34752512

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 9011, 18022, 36044, 45055, 63077, 72088, 90110, 126154, 144176, 180220, 252308, 288352, 315385, 360440, 504616, 576704, 630770, 720880, 1009232, 1261540, 1441760, 2018464, 2523080, 2883520, 4036928, 5046160, 10092320, 20184640]

約数ペア:

[(1, 20184640), (2, 10092320), (4, 5046160), (5, 4036928), (7, 2883520), (8, 2523080), (10, 2018464), (14, 1441760), (16, 1261540), (20, 1009232), (28, 720880), (32, 630770), (35, 576704), (40, 504616), (56, 360440), (64, 315385), (70, 288352), (80, 252308), (112, 180220), (140, 144176), (160, 126154), (224, 90110), (280, 72088), (320, 63077), (448, 45055), (560, 36044), (1120, 18022), (2240, 9011)]