20346824

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{41}}^2\times {\mathrm{89}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 41868900

約数和(自身を除く): 21522076

約数列:

[1, 2, 4, 8, 17, 34, 41, 68, 82, 89, 136, 164, 178, 328, 356, 697, 712, 1394, 1513, 1681, 2788, 3026, 3362, 3649, 5576, 6052, 6724, 7298, 12104, 13448, 14596, 28577, 29192, 57154, 62033, 114308, 124066, 149609, 228616, 248132, 299218, 496264, 598436, 1196872, 2543353, 5086706, 10173412, 20346824]

約数ペア:

[(1, 20346824), (2, 10173412), (4, 5086706), (8, 2543353), (17, 1196872), (34, 598436), (41, 496264), (68, 299218), (82, 248132), (89, 228616), (136, 149609), (164, 124066), (178, 114308), (328, 62033), (356, 57154), (697, 29192), (712, 28577), (1394, 14596), (1513, 13448), (1681, 12104), (2788, 7298), (3026, 6724), (3362, 6052), (3649, 5576)]