20074925936

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{239489}}^1$

素因数の和:239554

約数の個数: 60

約数和(自身を含む): 43476056640

約数和(自身を除く): 23401130704

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 169, 208, 248, 338, 403, 496, 676, 806, 1352, 1612, 2704, 3224, 5239, 6448, 10478, 20956, 41912, 83824, 239489, 478978, 957956, 1915912, 3113357, 3831824, 6226714, 7424159, 12453428, 14848318, 24906856, 29696636, 40473641, 49813712, 59393272, 80947282, 96514067, 118786544, 161894564, 193028134, 323789128, 386056268, 647578256, 772112536, 1254682871, 1544225072, 2509365742, 5018731484, 10037462968, 20074925936]

約数ペア:

[(1, 20074925936), (2, 10037462968), (4, 5018731484), (8, 2509365742), (13, 1544225072), (16, 1254682871), (26, 772112536), (31, 647578256), (52, 386056268), (62, 323789128), (104, 193028134), (124, 161894564), (169, 118786544), (208, 96514067), (248, 80947282), (338, 59393272), (403, 49813712), (496, 40473641), (676, 29696636), (806, 24906856), (1352, 14848318), (1612, 12453428), (2704, 7424159), (3224, 6226714), (5239, 3831824), (6448, 3113357), (10478, 1915912), (20956, 957956), (41912, 478978), (83824, 239489)]