20436380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{60107}}^1$

素因数の和:60133

約数の個数: 24

約数和(自身を含む): 45441648

約数和(自身を除く): 25005268

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 60107, 120214, 240428, 300535, 601070, 1021819, 1202140, 2043638, 4087276, 5109095, 10218190, 20436380]

約数ペア:

[(1, 20436380), (2, 10218190), (4, 5109095), (5, 4087276), (10, 2043638), (17, 1202140), (20, 1021819), (34, 601070), (68, 300535), (85, 240428), (170, 120214), (340, 60107)]