20273724

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:395

約数の個数: 72

約数和(自身を含む): 54866448

約数和(自身を除く): 34592724

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 157, 204, 211, 306, 314, 422, 471, 612, 628, 633, 844, 942, 1266, 1413, 1884, 1899, 2532, 2669, 2826, 3587, 3798, 5338, 5652, 7174, 7596, 8007, 10676, 10761, 14348, 16014, 21522, 24021, 32028, 32283, 33127, 43044, 48042, 64566, 66254, 96084, 99381, 129132, 132508, 198762, 298143, 397524, 563159, 596286, 1126318, 1192572, 1689477, 2252636, 3378954, 5068431, 6757908, 10136862, 20273724]

約数ペア:

[(1, 20273724), (2, 10136862), (3, 6757908), (4, 5068431), (6, 3378954), (9, 2252636), (12, 1689477), (17, 1192572), (18, 1126318), (34, 596286), (36, 563159), (51, 397524), (68, 298143), (102, 198762), (153, 132508), (157, 129132), (204, 99381), (211, 96084), (306, 66254), (314, 64566), (422, 48042), (471, 43044), (612, 33127), (628, 32283), (633, 32028), (844, 24021), (942, 21522), (1266, 16014), (1413, 14348), (1884, 10761), (1899, 10676), (2532, 8007), (2669, 7596), (2826, 7174), (3587, 5652), (3798, 5338)]