20655546

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1$

素因数の和:203

約数の個数: 64

約数和(自身を含む): 45964800

約数和(自身を除く): 25309254

約数列:

[1, 2, 3, 6, 19, 37, 38, 57, 59, 74, 83, 111, 114, 118, 166, 177, 222, 249, 354, 498, 703, 1121, 1406, 1577, 2109, 2183, 2242, 3071, 3154, 3363, 4218, 4366, 4731, 4897, 6142, 6549, 6726, 9213, 9462, 9794, 13098, 14691, 18426, 29382, 41477, 58349, 82954, 93043, 116698, 124431, 175047, 181189, 186086, 248862, 279129, 350094, 362378, 543567, 558258, 1087134, 3442591, 6885182, 10327773, 20655546]

約数ペア:

[(1, 20655546), (2, 10327773), (3, 6885182), (6, 3442591), (19, 1087134), (37, 558258), (38, 543567), (57, 362378), (59, 350094), (74, 279129), (83, 248862), (111, 186086), (114, 181189), (118, 175047), (166, 124431), (177, 116698), (222, 93043), (249, 82954), (354, 58349), (498, 41477), (703, 29382), (1121, 18426), (1406, 14691), (1577, 13098), (2109, 9794), (2183, 9462), (2242, 9213), (3071, 6726), (3154, 6549), (3363, 6142), (4218, 4897), (4366, 4731)]