20804736

素因数分解:

$2^7\times 3^1\times {\mathrm{17}}^1\times {\mathrm{3187}}^1$

素因数の和:3221

約数の個数: 64

約数和(自身を含む): 58531680

約数和(自身を除く): 37726944

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 64, 68, 96, 102, 128, 136, 192, 204, 272, 384, 408, 544, 816, 1088, 1632, 2176, 3187, 3264, 6374, 6528, 9561, 12748, 19122, 25496, 38244, 50992, 54179, 76488, 101984, 108358, 152976, 162537, 203968, 216716, 305952, 325074, 407936, 433432, 611904, 650148, 866864, 1223808, 1300296, 1733728, 2600592, 3467456, 5201184, 6934912, 10402368, 20804736]

約数ペア:

[(1, 20804736), (2, 10402368), (3, 6934912), (4, 5201184), (6, 3467456), (8, 2600592), (12, 1733728), (16, 1300296), (17, 1223808), (24, 866864), (32, 650148), (34, 611904), (48, 433432), (51, 407936), (64, 325074), (68, 305952), (96, 216716), (102, 203968), (128, 162537), (136, 152976), (192, 108358), (204, 101984), (272, 76488), (384, 54179), (408, 50992), (544, 38244), (816, 25496), (1088, 19122), (1632, 12748), (2176, 9561), (3187, 6528), (3264, 6374)]