20172858760

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{269}}^1\times {\mathrm{10837}}^1$

素因数の和:11290

約数の個数: 64

約数和(自身を含む): 45825231600

約数和(自身を除く): 25652372840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 269, 346, 538, 692, 865, 1076, 1345, 1384, 1730, 2152, 2690, 3460, 5380, 6920, 10760, 10837, 21674, 43348, 46537, 54185, 86696, 93074, 108370, 186148, 216740, 232685, 372296, 433480, 465370, 930740, 1861480, 1874801, 2915153, 3749602, 5830306, 7499204, 9374005, 11660612, 14575765, 14998408, 18748010, 23321224, 29151530, 37496020, 58303060, 74992040, 116606120, 504321469, 1008642938, 2017285876, 2521607345, 4034571752, 5043214690, 10086429380, 20172858760]

約数ペア:

[(1, 20172858760), (2, 10086429380), (4, 5043214690), (5, 4034571752), (8, 2521607345), (10, 2017285876), (20, 1008642938), (40, 504321469), (173, 116606120), (269, 74992040), (346, 58303060), (538, 37496020), (692, 29151530), (865, 23321224), (1076, 18748010), (1345, 14998408), (1384, 14575765), (1730, 11660612), (2152, 9374005), (2690, 7499204), (3460, 5830306), (5380, 3749602), (6920, 2915153), (10760, 1874801), (10837, 1861480), (21674, 930740), (43348, 465370), (46537, 433480), (54185, 372296), (86696, 232685), (93074, 216740), (108370, 186148)]