20269728

素因数分解:

$2^5\times 3^2\times {\mathrm{70381}}^1$

素因数の和:70397

約数の個数: 36

約数和(自身を含む): 57642858

約数和(自身を除く): 37373130

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 70381, 140762, 211143, 281524, 422286, 563048, 633429, 844572, 1126096, 1266858, 1689144, 2252192, 2533716, 3378288, 5067432, 6756576, 10134864, 20269728]

約数ペア:

[(1, 20269728), (2, 10134864), (3, 6756576), (4, 5067432), (6, 3378288), (8, 2533716), (9, 2252192), (12, 1689144), (16, 1266858), (18, 1126096), (24, 844572), (32, 633429), (36, 563048), (48, 422286), (72, 281524), (96, 211143), (144, 140762), (288, 70381)]