20803614

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{541}}^1$

素因数の和:605

約数の個数: 64

約数和(自身を含む): 49170240

約数和(自身を除く): 28366626

約数列:

[1, 2, 3, 6, 13, 17, 26, 29, 34, 39, 51, 58, 78, 87, 102, 174, 221, 377, 442, 493, 541, 663, 754, 986, 1082, 1131, 1326, 1479, 1623, 2262, 2958, 3246, 6409, 7033, 9197, 12818, 14066, 15689, 18394, 19227, 21099, 27591, 31378, 38454, 42198, 47067, 55182, 94134, 119561, 203957, 239122, 266713, 358683, 407914, 533426, 611871, 717366, 800139, 1223742, 1600278, 3467269, 6934538, 10401807, 20803614]

約数ペア:

[(1, 20803614), (2, 10401807), (3, 6934538), (6, 3467269), (13, 1600278), (17, 1223742), (26, 800139), (29, 717366), (34, 611871), (39, 533426), (51, 407914), (58, 358683), (78, 266713), (87, 239122), (102, 203957), (174, 119561), (221, 94134), (377, 55182), (442, 47067), (493, 42198), (541, 38454), (663, 31378), (754, 27591), (986, 21099), (1082, 19227), (1131, 18394), (1326, 15689), (1479, 14066), (1623, 12818), (2262, 9197), (2958, 7033), (3246, 6409)]