19900740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{7057}}^1$

素因数の和:7116

約数の個数: 48

約数和(自身を含む): 56915712

約数和(自身を除く): 37014972

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 282, 470, 564, 705, 940, 1410, 2820, 7057, 14114, 21171, 28228, 35285, 42342, 70570, 84684, 105855, 141140, 211710, 331679, 423420, 663358, 995037, 1326716, 1658395, 1990074, 3316790, 3980148, 4975185, 6633580, 9950370, 19900740]

約数ペア:

[(1, 19900740), (2, 9950370), (3, 6633580), (4, 4975185), (5, 3980148), (6, 3316790), (10, 1990074), (12, 1658395), (15, 1326716), (20, 995037), (30, 663358), (47, 423420), (60, 331679), (94, 211710), (141, 141140), (188, 105855), (235, 84684), (282, 70570), (470, 42342), (564, 35285), (705, 28228), (940, 21171), (1410, 14114), (2820, 7057)]