20874854

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{10427}}^1$

素因数の和:10460

約数の個数: 32

約数和(自身を含む): 42045696

約数和(自身を除く): 21170842

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 182, 286, 1001, 2002, 10427, 20854, 72989, 114697, 135551, 145978, 229394, 271102, 802879, 948857, 1491061, 1605758, 1897714, 2982122, 10437427, 20874854]

約数ペア:

[(1, 20874854), (2, 10437427), (7, 2982122), (11, 1897714), (13, 1605758), (14, 1491061), (22, 948857), (26, 802879), (77, 271102), (91, 229394), (143, 145978), (154, 135551), (182, 114697), (286, 72989), (1001, 20854), (2002, 10427)]