20218442374

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1\times {\mathrm{2243}}^1$

素因数の和:2605

約数の個数: 64

約数和(自身を含む): 35015016960

約数和(自身を除く): 14796574586

約数列:

[1, 2, 13, 19, 26, 38, 71, 142, 247, 257, 494, 514, 923, 1349, 1846, 2243, 2698, 3341, 4486, 4883, 6682, 9766, 17537, 18247, 29159, 35074, 36494, 42617, 58318, 63479, 85234, 126958, 159253, 237211, 318506, 346693, 474422, 554021, 576451, 693386, 1108042, 1152902, 2070289, 3025807, 4140578, 4507009, 6051614, 7493863, 9014018, 10952569, 14987726, 21905138, 39335491, 40928021, 78670982, 81856042, 142383397, 284766794, 532064273, 777632399, 1064128546, 1555264798, 10109221187, 20218442374]

約数ペア:

[(1, 20218442374), (2, 10109221187), (13, 1555264798), (19, 1064128546), (26, 777632399), (38, 532064273), (71, 284766794), (142, 142383397), (247, 81856042), (257, 78670982), (494, 40928021), (514, 39335491), (923, 21905138), (1349, 14987726), (1846, 10952569), (2243, 9014018), (2698, 7493863), (3341, 6051614), (4486, 4507009), (4883, 4140578), (6682, 3025807), (9766, 2070289), (17537, 1152902), (18247, 1108042), (29159, 693386), (35074, 576451), (36494, 554021), (42617, 474422), (58318, 346693), (63479, 318506), (85234, 237211), (126958, 159253)]