20926220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7867}}^1$

素因数の和:7902

約数の個数: 48

約数和(自身を含む): 52872960

約数和(自身を除く): 31946740

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 7867, 15734, 31468, 39335, 55069, 78670, 110138, 149473, 157340, 220276, 275345, 298946, 550690, 597892, 747365, 1046311, 1101380, 1494730, 2092622, 2989460, 4185244, 5231555, 10463110, 20926220]

約数ペア:

[(1, 20926220), (2, 10463110), (4, 5231555), (5, 4185244), (7, 2989460), (10, 2092622), (14, 1494730), (19, 1101380), (20, 1046311), (28, 747365), (35, 597892), (38, 550690), (70, 298946), (76, 275345), (95, 220276), (133, 157340), (140, 149473), (190, 110138), (266, 78670), (380, 55069), (532, 39335), (665, 31468), (1330, 15734), (2660, 7867)]