20553280

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5839}}^1$

素因数の和:5867

約数の個数: 56

約数和(自身を含む): 53400960

約数和(自身を除く): 32847680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 5839, 11678, 23356, 29195, 46712, 58390, 64229, 93424, 116780, 128458, 186848, 233560, 256916, 321145, 373696, 467120, 513832, 642290, 934240, 1027664, 1284580, 1868480, 2055328, 2569160, 4110656, 5138320, 10276640, 20553280]

約数ペア:

[(1, 20553280), (2, 10276640), (4, 5138320), (5, 4110656), (8, 2569160), (10, 2055328), (11, 1868480), (16, 1284580), (20, 1027664), (22, 934240), (32, 642290), (40, 513832), (44, 467120), (55, 373696), (64, 321145), (80, 256916), (88, 233560), (110, 186848), (160, 128458), (176, 116780), (220, 93424), (320, 64229), (352, 58390), (440, 46712), (704, 29195), (880, 23356), (1760, 11678), (3520, 5839)]