20492190

素因数分解:

$2^1\times 3^7\times 5^1\times {\mathrm{937}}^1$

素因数の和:965

約数の個数: 64

約数和(自身を含む): 55379520

約数和(自身を除く): 34887330

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 243, 270, 405, 486, 729, 810, 937, 1215, 1458, 1874, 2187, 2430, 2811, 3645, 4374, 4685, 5622, 7290, 8433, 9370, 10935, 14055, 16866, 21870, 25299, 28110, 42165, 50598, 75897, 84330, 126495, 151794, 227691, 252990, 379485, 455382, 683073, 758970, 1138455, 1366146, 2049219, 2276910, 3415365, 4098438, 6830730, 10246095, 20492190]

約数ペア:

[(1, 20492190), (2, 10246095), (3, 6830730), (5, 4098438), (6, 3415365), (9, 2276910), (10, 2049219), (15, 1366146), (18, 1138455), (27, 758970), (30, 683073), (45, 455382), (54, 379485), (81, 252990), (90, 227691), (135, 151794), (162, 126495), (243, 84330), (270, 75897), (405, 50598), (486, 42165), (729, 28110), (810, 25299), (937, 21870), (1215, 16866), (1458, 14055), (1874, 10935), (2187, 9370), (2430, 8433), (2811, 7290), (3645, 5622), (4374, 4685)]