9901020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{3511}}^1$

素因数の和:3570

約数の個数: 48

約数和(自身を含む): 28320768

約数和(自身を除く): 18419748

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 282, 470, 564, 705, 940, 1410, 2820, 3511, 7022, 10533, 14044, 17555, 21066, 35110, 42132, 52665, 70220, 105330, 165017, 210660, 330034, 495051, 660068, 825085, 990102, 1650170, 1980204, 2475255, 3300340, 4950510, 9901020]

約数ペア:

[(1, 9901020), (2, 4950510), (3, 3300340), (4, 2475255), (5, 1980204), (6, 1650170), (10, 990102), (12, 825085), (15, 660068), (20, 495051), (30, 330034), (47, 210660), (60, 165017), (94, 105330), (141, 70220), (188, 52665), (235, 42132), (282, 35110), (470, 21066), (564, 17555), (705, 14044), (940, 10533), (1410, 7022), (2820, 3511)]