20016003

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1429}}^1$

素因数の和:1491

約数の個数: 32

約数和(自身を含む): 32947200

約数和(自身を除く): 12931197

約数列:

[1, 3, 7, 21, 23, 29, 69, 87, 161, 203, 483, 609, 667, 1429, 2001, 4287, 4669, 10003, 14007, 30009, 32867, 41441, 98601, 124323, 230069, 290087, 690207, 870261, 953143, 2859429, 6672001, 20016003]

約数ペア:

[(1, 20016003), (3, 6672001), (7, 2859429), (21, 953143), (23, 870261), (29, 690207), (69, 290087), (87, 230069), (161, 124323), (203, 98601), (483, 41441), (609, 32867), (667, 30009), (1429, 14007), (2001, 10003), (4287, 4669)]