20550530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2053}}^1$

素因数の和:2091

約数の個数: 64

約数和(自身を含む): 49690368

約数和(自身を除く): 29139838

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 65, 70, 77, 91, 110, 130, 143, 154, 182, 286, 385, 455, 715, 770, 910, 1001, 1430, 2002, 2053, 4106, 5005, 10010, 10265, 14371, 20530, 22583, 26689, 28742, 45166, 53378, 71855, 112915, 133445, 143710, 158081, 186823, 225830, 266890, 293579, 316162, 373646, 587158, 790405, 934115, 1467895, 1580810, 1868230, 2055053, 2935790, 4110106, 10275265, 20550530]

約数ペア:

[(1, 20550530), (2, 10275265), (5, 4110106), (7, 2935790), (10, 2055053), (11, 1868230), (13, 1580810), (14, 1467895), (22, 934115), (26, 790405), (35, 587158), (55, 373646), (65, 316162), (70, 293579), (77, 266890), (91, 225830), (110, 186823), (130, 158081), (143, 143710), (154, 133445), (182, 112915), (286, 71855), (385, 53378), (455, 45166), (715, 28742), (770, 26689), (910, 22583), (1001, 20530), (1430, 14371), (2002, 10265), (2053, 10010), (4106, 5005)]