20209764

素因数分解:

$2^2\times 3^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:372

約数の個数: 48

約数和(自身を含む): 48384000

約数和(自身を除く): 28174236

約数列:

[1, 2, 3, 4, 6, 12, 89, 127, 149, 178, 254, 267, 298, 356, 381, 447, 508, 534, 596, 762, 894, 1068, 1524, 1788, 11303, 13261, 18923, 22606, 26522, 33909, 37846, 39783, 45212, 53044, 56769, 67818, 75692, 79566, 113538, 135636, 159132, 227076, 1684147, 3368294, 5052441, 6736588, 10104882, 20209764]

約数ペア:

[(1, 20209764), (2, 10104882), (3, 6736588), (4, 5052441), (6, 3368294), (12, 1684147), (89, 227076), (127, 159132), (149, 135636), (178, 113538), (254, 79566), (267, 75692), (298, 67818), (356, 56769), (381, 53044), (447, 45212), (508, 39783), (534, 37846), (596, 33909), (762, 26522), (894, 22606), (1068, 18923), (1524, 13261), (1788, 11303)]