22120420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{158003}}^1$

素因数の和:158019

約数の個数: 24

約数和(自身を含む): 53089344

約数和(自身を除く): 30968924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 158003, 316006, 632012, 790015, 1106021, 1580030, 2212042, 3160060, 4424084, 5530105, 11060210, 22120420]

約数ペア:

[(1, 22120420), (2, 11060210), (4, 5530105), (5, 4424084), (7, 3160060), (10, 2212042), (14, 1580030), (20, 1106021), (28, 790015), (35, 632012), (70, 316006), (140, 158003)]