20108790

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{337}}^1$

素因数の和:383

約数の個数: 128

約数和(自身を含む): 61326720

約数和(自身を除く): 41217930

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 17, 18, 26, 27, 30, 34, 39, 45, 51, 54, 65, 78, 85, 90, 102, 117, 130, 135, 153, 170, 195, 221, 234, 255, 270, 306, 337, 351, 390, 442, 459, 510, 585, 663, 674, 702, 765, 918, 1011, 1105, 1170, 1326, 1530, 1685, 1755, 1989, 2022, 2210, 2295, 3033, 3315, 3370, 3510, 3978, 4381, 4590, 5055, 5729, 5967, 6066, 6630, 8762, 9099, 9945, 10110, 11458, 11934, 13143, 15165, 17187, 18198, 19890, 21905, 26286, 28645, 29835, 30330, 34374, 39429, 43810, 45495, 51561, 57290, 59670, 65715, 74477, 78858, 85935, 90990, 103122, 118287, 131430, 148954, 154683, 171870, 197145, 223431, 236574, 257805, 309366, 372385, 394290, 446862, 515610, 591435, 670293, 744770, 773415, 1117155, 1182870, 1340586, 1546830, 2010879, 2234310, 3351465, 4021758, 6702930, 10054395, 20108790]

約数ペア:

[(1, 20108790), (2, 10054395), (3, 6702930), (5, 4021758), (6, 3351465), (9, 2234310), (10, 2010879), (13, 1546830), (15, 1340586), (17, 1182870), (18, 1117155), (26, 773415), (27, 744770), (30, 670293), (34, 591435), (39, 515610), (45, 446862), (51, 394290), (54, 372385), (65, 309366), (78, 257805), (85, 236574), (90, 223431), (102, 197145), (117, 171870), (130, 154683), (135, 148954), (153, 131430), (170, 118287), (195, 103122), (221, 90990), (234, 85935), (255, 78858), (270, 74477), (306, 65715), (337, 59670), (351, 57290), (390, 51561), (442, 45495), (459, 43810), (510, 39429), (585, 34374), (663, 30330), (674, 29835), (702, 28645), (765, 26286), (918, 21905), (1011, 19890), (1105, 18198), (1170, 17187), (1326, 15165), (1530, 13143), (1685, 11934), (1755, 11458), (1989, 10110), (2022, 9945), (2210, 9099), (2295, 8762), (3033, 6630), (3315, 6066), (3370, 5967), (3510, 5729), (3978, 5055), (4381, 4590)]