20916684

素因数分解:

$2^2\times 3^3\times {\mathrm{293}}^1\times {\mathrm{661}}^1$

素因数の和:967

約数の個数: 48

約数和(自身を含む): 54495840

約数和(自身を除く): 33579156

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 293, 586, 661, 879, 1172, 1322, 1758, 1983, 2637, 2644, 3516, 3966, 5274, 5949, 7911, 7932, 10548, 11898, 15822, 17847, 23796, 31644, 35694, 71388, 193673, 387346, 581019, 774692, 1162038, 1743057, 2324076, 3486114, 5229171, 6972228, 10458342, 20916684]

約数ペア:

[(1, 20916684), (2, 10458342), (3, 6972228), (4, 5229171), (6, 3486114), (9, 2324076), (12, 1743057), (18, 1162038), (27, 774692), (36, 581019), (54, 387346), (108, 193673), (293, 71388), (586, 35694), (661, 31644), (879, 23796), (1172, 17847), (1322, 15822), (1758, 11898), (1983, 10548), (2637, 7932), (2644, 7911), (3516, 5949), (3966, 5274)]