20270560

素因数分解:

$2^5\times 5^1\times {\mathrm{126691}}^1$

素因数の和:126706

約数の個数: 24

約数和(自身を含む): 47889576

約数和(自身を除く): 27619016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 126691, 253382, 506764, 633455, 1013528, 1266910, 2027056, 2533820, 4054112, 5067640, 10135280, 20270560]

約数ペア:

[(1, 20270560), (2, 10135280), (4, 5067640), (5, 4054112), (8, 2533820), (10, 2027056), (16, 1266910), (20, 1013528), (32, 633455), (40, 506764), (80, 253382), (160, 126691)]