20369784

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1$

素因数の和:340

約数の個数: 64

約数和(自身を含む): 52899840

約数和(自身を除く): 32530056

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 82, 123, 127, 163, 164, 246, 254, 326, 328, 381, 489, 492, 508, 652, 762, 978, 984, 1016, 1304, 1524, 1956, 3048, 3912, 5207, 6683, 10414, 13366, 15621, 20049, 20701, 20828, 26732, 31242, 40098, 41402, 41656, 53464, 62103, 62484, 80196, 82804, 124206, 124968, 160392, 165608, 248412, 496824, 848741, 1697482, 2546223, 3394964, 5092446, 6789928, 10184892, 20369784]

約数ペア:

[(1, 20369784), (2, 10184892), (3, 6789928), (4, 5092446), (6, 3394964), (8, 2546223), (12, 1697482), (24, 848741), (41, 496824), (82, 248412), (123, 165608), (127, 160392), (163, 124968), (164, 124206), (246, 82804), (254, 80196), (326, 62484), (328, 62103), (381, 53464), (489, 41656), (492, 41402), (508, 40098), (652, 31242), (762, 26732), (978, 20828), (984, 20701), (1016, 20049), (1304, 15621), (1524, 13366), (1956, 10414), (3048, 6683), (3912, 5207)]