20104744

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:274

約数の個数: 64

約数和(自身を含む): 44323200

約数和(自身を除く): 24218456

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 89, 136, 151, 178, 187, 302, 356, 374, 604, 712, 748, 979, 1208, 1496, 1513, 1661, 1958, 2567, 3026, 3322, 3916, 5134, 6052, 6644, 7832, 10268, 12104, 13288, 13439, 16643, 20536, 26878, 28237, 33286, 53756, 56474, 66572, 107512, 112948, 133144, 147829, 225896, 228463, 295658, 456926, 591316, 913852, 1182632, 1827704, 2513093, 5026186, 10052372, 20104744]

約数ペア:

[(1, 20104744), (2, 10052372), (4, 5026186), (8, 2513093), (11, 1827704), (17, 1182632), (22, 913852), (34, 591316), (44, 456926), (68, 295658), (88, 228463), (89, 225896), (136, 147829), (151, 133144), (178, 112948), (187, 107512), (302, 66572), (356, 56474), (374, 53756), (604, 33286), (712, 28237), (748, 26878), (979, 20536), (1208, 16643), (1496, 13439), (1513, 13288), (1661, 12104), (1958, 10268), (2567, 7832), (3026, 6644), (3322, 6052), (3916, 5134)]