20306562

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:203

約数の個数: 64

約数和(自身を含む): 45045504

約数和(自身を除く): 24738942

約数列:

[1, 2, 3, 6, 23, 37, 41, 46, 69, 74, 82, 97, 111, 123, 138, 194, 222, 246, 291, 582, 851, 943, 1517, 1702, 1886, 2231, 2553, 2829, 3034, 3589, 3977, 4462, 4551, 5106, 5658, 6693, 7178, 7954, 9102, 10767, 11931, 13386, 21534, 23862, 34891, 69782, 82547, 91471, 104673, 147149, 165094, 182942, 209346, 247641, 274413, 294298, 441447, 495282, 548826, 882894, 3384427, 6768854, 10153281, 20306562]

約数ペア:

[(1, 20306562), (2, 10153281), (3, 6768854), (6, 3384427), (23, 882894), (37, 548826), (41, 495282), (46, 441447), (69, 294298), (74, 274413), (82, 247641), (97, 209346), (111, 182942), (123, 165094), (138, 147149), (194, 104673), (222, 91471), (246, 82547), (291, 69782), (582, 34891), (851, 23862), (943, 21534), (1517, 13386), (1702, 11931), (1886, 10767), (2231, 9102), (2553, 7954), (2829, 7178), (3034, 6693), (3589, 5658), (3977, 5106), (4462, 4551)]