20158742310

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{28409}}^1$

素因数の和:28566

約数の個数: 128

約数和(自身を含む): 57601843200

約数和(自身を除く): 37443100890

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 62, 70, 93, 105, 109, 155, 186, 210, 217, 218, 310, 327, 434, 465, 545, 651, 654, 763, 930, 1085, 1090, 1302, 1526, 1635, 2170, 2289, 3255, 3270, 3379, 3815, 4578, 6510, 6758, 7630, 10137, 11445, 16895, 20274, 22890, 23653, 28409, 33790, 47306, 50685, 56818, 70959, 85227, 101370, 118265, 141918, 142045, 170454, 198863, 236530, 284090, 354795, 397726, 426135, 596589, 709590, 852270, 880679, 994315, 1193178, 1761358, 1988630, 2642037, 2982945, 3096581, 4403395, 5284074, 5965890, 6164753, 6193162, 8806790, 9289743, 12329506, 13210185, 15482905, 18494259, 18579486, 21676067, 26420370, 30823765, 30965810, 36988518, 43352134, 46448715, 61647530, 65028201, 92471295, 92897430, 95994011, 108380335, 130056402, 184942590, 191988022, 216760670, 287982033, 325141005, 479970055, 575964066, 650282010, 671958077, 959940110, 1343916154, 1439910165, 2015874231, 2879820330, 3359790385, 4031748462, 6719580770, 10079371155, 20158742310]

約数ペア:

[(1, 20158742310), (2, 10079371155), (3, 6719580770), (5, 4031748462), (6, 3359790385), (7, 2879820330), (10, 2015874231), (14, 1439910165), (15, 1343916154), (21, 959940110), (30, 671958077), (31, 650282010), (35, 575964066), (42, 479970055), (62, 325141005), (70, 287982033), (93, 216760670), (105, 191988022), (109, 184942590), (155, 130056402), (186, 108380335), (210, 95994011), (217, 92897430), (218, 92471295), (310, 65028201), (327, 61647530), (434, 46448715), (465, 43352134), (545, 36988518), (651, 30965810), (654, 30823765), (763, 26420370), (930, 21676067), (1085, 18579486), (1090, 18494259), (1302, 15482905), (1526, 13210185), (1635, 12329506), (2170, 9289743), (2289, 8806790), (3255, 6193162), (3270, 6164753), (3379, 5965890), (3815, 5284074), (4578, 4403395), (6510, 3096581), (6758, 2982945), (7630, 2642037), (10137, 1988630), (11445, 1761358), (16895, 1193178), (20274, 994315), (22890, 880679), (23653, 852270), (28409, 709590), (33790, 596589), (47306, 426135), (50685, 397726), (56818, 354795), (70959, 284090), (85227, 236530), (101370, 198863), (118265, 170454), (141918, 142045)]