20931168

素因数分解:

$2^5\times 3^1\times {\mathrm{47}}^1\times {\mathrm{4639}}^1$

素因数の和:4699

約数の個数: 48

約数和(自身を含む): 56125440

約数和(自身を除く): 35194272

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 47, 48, 94, 96, 141, 188, 282, 376, 564, 752, 1128, 1504, 2256, 4512, 4639, 9278, 13917, 18556, 27834, 37112, 55668, 74224, 111336, 148448, 218033, 222672, 436066, 445344, 654099, 872132, 1308198, 1744264, 2616396, 3488528, 5232792, 6977056, 10465584, 20931168]

約数ペア:

[(1, 20931168), (2, 10465584), (3, 6977056), (4, 5232792), (6, 3488528), (8, 2616396), (12, 1744264), (16, 1308198), (24, 872132), (32, 654099), (47, 445344), (48, 436066), (94, 222672), (96, 218033), (141, 148448), (188, 111336), (282, 74224), (376, 55668), (564, 37112), (752, 27834), (1128, 18556), (1504, 13917), (2256, 9278), (4512, 4639)]