20287710

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1303}}^1$

素因数の和:1489

約数の個数: 48

約数和(自身を含む): 53093664

約数和(自身を除く): 32805954

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 173, 346, 519, 865, 1038, 1303, 1557, 1730, 2595, 2606, 3114, 3909, 5190, 6515, 7785, 7818, 11727, 13030, 15570, 19545, 23454, 39090, 58635, 117270, 225419, 450838, 676257, 1127095, 1352514, 2028771, 2254190, 3381285, 4057542, 6762570, 10143855, 20287710]

約数ペア:

[(1, 20287710), (2, 10143855), (3, 6762570), (5, 4057542), (6, 3381285), (9, 2254190), (10, 2028771), (15, 1352514), (18, 1127095), (30, 676257), (45, 450838), (90, 225419), (173, 117270), (346, 58635), (519, 39090), (865, 23454), (1038, 19545), (1303, 15570), (1557, 13030), (1730, 11727), (2595, 7818), (2606, 7785), (3114, 6515), (3909, 5190)]