20714216

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{619}}^1$

素因数の和:761

約数の個数: 32

約数和(自身を含む): 40176000

約数和(自身を除く): 19461784

約数列:

[1, 2, 4, 8, 47, 89, 94, 178, 188, 356, 376, 619, 712, 1238, 2476, 4183, 4952, 8366, 16732, 29093, 33464, 55091, 58186, 110182, 116372, 220364, 232744, 440728, 2589277, 5178554, 10357108, 20714216]

約数ペア:

[(1, 20714216), (2, 10357108), (4, 5178554), (8, 2589277), (47, 440728), (89, 232744), (94, 220364), (178, 116372), (188, 110182), (356, 58186), (376, 55091), (619, 33464), (712, 29093), (1238, 16732), (2476, 8366), (4183, 4952)]