20808329528

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{21857489}}^1$

素因数の和:21857519

約数の個数: 32

約数和(自身を含む): 47212178400

約数和(自身を除く): 26403848872

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 476, 952, 21857489, 43714978, 87429956, 153002423, 174859912, 306004846, 371577313, 612009692, 743154626, 1224019384, 1486309252, 2601041191, 2972618504, 5202082382, 10404164764, 20808329528]

約数ペア:

[(1, 20808329528), (2, 10404164764), (4, 5202082382), (7, 2972618504), (8, 2601041191), (14, 1486309252), (17, 1224019384), (28, 743154626), (34, 612009692), (56, 371577313), (68, 306004846), (119, 174859912), (136, 153002423), (238, 87429956), (476, 43714978), (952, 21857489)]