20531856

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{479}}^1$

素因数の和:556

約数の個数: 80

約数和(自身を含む): 57139200

約数和(自身を除く): 36607344

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 47, 48, 57, 76, 94, 114, 141, 152, 188, 228, 282, 304, 376, 456, 479, 564, 752, 893, 912, 958, 1128, 1437, 1786, 1916, 2256, 2679, 2874, 3572, 3832, 5358, 5748, 7144, 7664, 9101, 10716, 11496, 14288, 18202, 21432, 22513, 22992, 27303, 36404, 42864, 45026, 54606, 67539, 72808, 90052, 109212, 135078, 145616, 180104, 218424, 270156, 360208, 427747, 436848, 540312, 855494, 1080624, 1283241, 1710988, 2566482, 3421976, 5132964, 6843952, 10265928, 20531856]

約数ペア:

[(1, 20531856), (2, 10265928), (3, 6843952), (4, 5132964), (6, 3421976), (8, 2566482), (12, 1710988), (16, 1283241), (19, 1080624), (24, 855494), (38, 540312), (47, 436848), (48, 427747), (57, 360208), (76, 270156), (94, 218424), (114, 180104), (141, 145616), (152, 135078), (188, 109212), (228, 90052), (282, 72808), (304, 67539), (376, 54606), (456, 45026), (479, 42864), (564, 36404), (752, 27303), (893, 22992), (912, 22513), (958, 21432), (1128, 18202), (1437, 14288), (1786, 11496), (1916, 10716), (2256, 9101), (2679, 7664), (2874, 7144), (3572, 5748), (3832, 5358)]