20778845612

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{241177}}^1$

素因数の和:241386

約数の個数: 48

約数和(自身を含む): 44245551168

約数和(自身を除く): 23466705556

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 181, 238, 362, 476, 724, 1267, 2534, 3077, 5068, 6154, 12308, 21539, 43078, 86156, 241177, 482354, 964708, 1688239, 3376478, 4100009, 6752956, 8200018, 16400036, 28700063, 43653037, 57400126, 87306074, 114800252, 174612148, 305571259, 611142518, 742101629, 1222285036, 1484203258, 2968406516, 5194711403, 10389422806, 20778845612]

約数ペア:

[(1, 20778845612), (2, 10389422806), (4, 5194711403), (7, 2968406516), (14, 1484203258), (17, 1222285036), (28, 742101629), (34, 611142518), (68, 305571259), (119, 174612148), (181, 114800252), (238, 87306074), (362, 57400126), (476, 43653037), (724, 28700063), (1267, 16400036), (2534, 8200018), (3077, 6752956), (5068, 4100009), (6154, 3376478), (12308, 1688239), (21539, 964708), (43078, 482354), (86156, 241177)]