20175478912

素因数分解:

$2^7\times {\mathrm{43}}^1\times {\mathrm{229}}^1\times {\mathrm{16007}}^1$

素因数の和:16293

約数の個数: 64

約数和(自身を含む): 41310244800

約数和(自身を除く): 21134765888

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 229, 344, 458, 688, 916, 1376, 1832, 2752, 3664, 5504, 7328, 9847, 14656, 16007, 19694, 29312, 32014, 39388, 64028, 78776, 128056, 157552, 256112, 315104, 512224, 630208, 688301, 1024448, 1260416, 1376602, 2048896, 2753204, 3665603, 5506408, 7331206, 11012816, 14662412, 22025632, 29324824, 44051264, 58649648, 88102528, 117299296, 157620929, 234598592, 315241858, 469197184, 630483716, 1260967432, 2521934864, 5043869728, 10087739456, 20175478912]

約数ペア:

[(1, 20175478912), (2, 10087739456), (4, 5043869728), (8, 2521934864), (16, 1260967432), (32, 630483716), (43, 469197184), (64, 315241858), (86, 234598592), (128, 157620929), (172, 117299296), (229, 88102528), (344, 58649648), (458, 44051264), (688, 29324824), (916, 22025632), (1376, 14662412), (1832, 11012816), (2752, 7331206), (3664, 5506408), (5504, 3665603), (7328, 2753204), (9847, 2048896), (14656, 1376602), (16007, 1260416), (19694, 1024448), (29312, 688301), (32014, 630208), (39388, 512224), (64028, 315104), (78776, 256112), (128056, 157552)]