20512782342

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{3779}}^1\times {\mathrm{23197}}^1$

素因数の和:26997

約数の個数: 48

約数和(自身を含む): 47877888240

約数和(自身を除く): 27365105898

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 3779, 7558, 11337, 22674, 23197, 34011, 46394, 49127, 68022, 69591, 98254, 139182, 147381, 208773, 294762, 301561, 417546, 442143, 603122, 884286, 904683, 1809366, 2714049, 5428098, 87661463, 175322926, 262984389, 525968778, 788953167, 1139599019, 1577906334, 2279198038, 3418797057, 6837594114, 10256391171, 20512782342]

約数ペア:

[(1, 20512782342), (2, 10256391171), (3, 6837594114), (6, 3418797057), (9, 2279198038), (13, 1577906334), (18, 1139599019), (26, 788953167), (39, 525968778), (78, 262984389), (117, 175322926), (234, 87661463), (3779, 5428098), (7558, 2714049), (11337, 1809366), (22674, 904683), (23197, 884286), (34011, 603122), (46394, 442143), (49127, 417546), (68022, 301561), (69591, 294762), (98254, 208773), (139182, 147381)]