20810107992

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{491}}^1\times {\mathrm{76781}}^1$

素因数の和:77304

約数の個数: 64

約数和(自身を含む): 54398511360

約数和(自身を除く): 33588403368

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 92, 138, 184, 276, 491, 552, 982, 1473, 1964, 2946, 3928, 5892, 11293, 11784, 22586, 33879, 45172, 67758, 76781, 90344, 135516, 153562, 230343, 271032, 307124, 460686, 614248, 921372, 1765963, 1842744, 3531926, 5297889, 7063852, 10595778, 14127704, 21191556, 37699471, 42383112, 75398942, 113098413, 150797884, 226196826, 301595768, 452393652, 867087833, 904787304, 1734175666, 2601263499, 3468351332, 5202526998, 6936702664, 10405053996, 20810107992]

約数ペア:

[(1, 20810107992), (2, 10405053996), (3, 6936702664), (4, 5202526998), (6, 3468351332), (8, 2601263499), (12, 1734175666), (23, 904787304), (24, 867087833), (46, 452393652), (69, 301595768), (92, 226196826), (138, 150797884), (184, 113098413), (276, 75398942), (491, 42383112), (552, 37699471), (982, 21191556), (1473, 14127704), (1964, 10595778), (2946, 7063852), (3928, 5297889), (5892, 3531926), (11293, 1842744), (11784, 1765963), (22586, 921372), (33879, 614248), (45172, 460686), (67758, 307124), (76781, 271032), (90344, 230343), (135516, 153562)]