20716974

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{307}}^1$

素因数の和:501

約数の個数: 48

約数和(自身を含む): 47279232

約数和(自身を除く): 26562258

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 163, 207, 307, 326, 414, 489, 614, 921, 978, 1467, 1842, 2763, 2934, 3749, 5526, 7061, 7498, 11247, 14122, 21183, 22494, 33741, 42366, 50041, 63549, 67482, 100082, 127098, 150123, 300246, 450369, 900738, 1150943, 2301886, 3452829, 6905658, 10358487, 20716974]

約数ペア:

[(1, 20716974), (2, 10358487), (3, 6905658), (6, 3452829), (9, 2301886), (18, 1150943), (23, 900738), (46, 450369), (69, 300246), (138, 150123), (163, 127098), (207, 100082), (307, 67482), (326, 63549), (414, 50041), (489, 42366), (614, 33741), (921, 22494), (978, 21183), (1467, 14122), (1842, 11247), (2763, 7498), (2934, 7061), (3749, 5526)]