20783136

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19681}}^1$

素因数の和:19705

約数の個数: 48

約数和(自身を含む): 59518368

約数和(自身を除く): 38735232

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 66, 88, 96, 132, 176, 264, 352, 528, 1056, 19681, 39362, 59043, 78724, 118086, 157448, 216491, 236172, 314896, 432982, 472344, 629792, 649473, 865964, 944688, 1298946, 1731928, 1889376, 2597892, 3463856, 5195784, 6927712, 10391568, 20783136]

約数ペア:

[(1, 20783136), (2, 10391568), (3, 6927712), (4, 5195784), (6, 3463856), (8, 2597892), (11, 1889376), (12, 1731928), (16, 1298946), (22, 944688), (24, 865964), (32, 649473), (33, 629792), (44, 472344), (48, 432982), (66, 314896), (88, 236172), (96, 216491), (132, 157448), (176, 118086), (264, 78724), (352, 59043), (528, 39362), (1056, 19681)]