20924350

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1$

素因数の和:285

約数の個数: 48

約数和(自身を含む): 40778640

約数和(自身を除く): 19854290

約数列:

[1, 2, 5, 10, 25, 41, 50, 59, 82, 118, 173, 205, 295, 346, 410, 590, 865, 1025, 1475, 1730, 2050, 2419, 2950, 4325, 4838, 7093, 8650, 10207, 12095, 14186, 20414, 24190, 35465, 51035, 60475, 70930, 102070, 120950, 177325, 255175, 354650, 418487, 510350, 836974, 2092435, 4184870, 10462175, 20924350]

約数ペア:

[(1, 20924350), (2, 10462175), (5, 4184870), (10, 2092435), (25, 836974), (41, 510350), (50, 418487), (59, 354650), (82, 255175), (118, 177325), (173, 120950), (205, 102070), (295, 70930), (346, 60475), (410, 51035), (590, 35465), (865, 24190), (1025, 20414), (1475, 14186), (1730, 12095), (2050, 10207), (2419, 8650), (2950, 7093), (4325, 4838)]