20773312

素因数分解:

$2^6\times 7^1\times {\mathrm{89}}^1\times {\mathrm{521}}^1$

素因数の和:629

約数の個数: 56

約数和(自身を含む): 47731680

約数和(自身を除く): 26958368

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 89, 112, 178, 224, 356, 448, 521, 623, 712, 1042, 1246, 1424, 2084, 2492, 2848, 3647, 4168, 4984, 5696, 7294, 8336, 9968, 14588, 16672, 19936, 29176, 33344, 39872, 46369, 58352, 92738, 116704, 185476, 233408, 324583, 370952, 649166, 741904, 1298332, 1483808, 2596664, 2967616, 5193328, 10386656, 20773312]

約数ペア:

[(1, 20773312), (2, 10386656), (4, 5193328), (7, 2967616), (8, 2596664), (14, 1483808), (16, 1298332), (28, 741904), (32, 649166), (56, 370952), (64, 324583), (89, 233408), (112, 185476), (178, 116704), (224, 92738), (356, 58352), (448, 46369), (521, 39872), (623, 33344), (712, 29176), (1042, 19936), (1246, 16672), (1424, 14588), (2084, 9968), (2492, 8336), (2848, 7294), (3647, 5696), (4168, 4984)]