20070260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{271}}^1$

素因数の和:333

約数の個数: 72

約数和(自身を含む): 50539776

約数和(自身を除く): 30469516

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 271, 322, 460, 529, 542, 644, 805, 1058, 1084, 1355, 1610, 1897, 2116, 2645, 2710, 3220, 3703, 3794, 5290, 5420, 6233, 7406, 7588, 9485, 10580, 12466, 14812, 18515, 18970, 24932, 31165, 37030, 37940, 43631, 62330, 74060, 87262, 124660, 143359, 174524, 218155, 286718, 436310, 573436, 716795, 872620, 1003513, 1433590, 2007026, 2867180, 4014052, 5017565, 10035130, 20070260]

約数ペア:

[(1, 20070260), (2, 10035130), (4, 5017565), (5, 4014052), (7, 2867180), (10, 2007026), (14, 1433590), (20, 1003513), (23, 872620), (28, 716795), (35, 573436), (46, 436310), (70, 286718), (92, 218155), (115, 174524), (140, 143359), (161, 124660), (230, 87262), (271, 74060), (322, 62330), (460, 43631), (529, 37940), (542, 37030), (644, 31165), (805, 24932), (1058, 18970), (1084, 18515), (1355, 14812), (1610, 12466), (1897, 10580), (2116, 9485), (2645, 7588), (2710, 7406), (3220, 6233), (3703, 5420), (3794, 5290)]