2013947720

素因数分解:

$2^3\times 5^1\times {\mathrm{9103}}^1\times {\mathrm{5531}}^1$

素因数の和:14645

約数の個数: 32

約数和(自身を含む): 4532699520

約数和(自身を除く): 2518751800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5531, 9103, 11062, 18206, 22124, 27655, 36412, 44248, 45515, 55310, 72824, 91030, 110620, 182060, 221240, 364120, 50348693, 100697386, 201394772, 251743465, 402789544, 503486930, 1006973860, 2013947720]

約数ペア:

[(1, 2013947720), (2, 1006973860), (4, 503486930), (5, 402789544), (8, 251743465), (10, 201394772), (20, 100697386), (40, 50348693), (5531, 364120), (9103, 221240), (11062, 182060), (18206, 110620), (22124, 91030), (27655, 72824), (36412, 55310), (44248, 45515)]