20147866

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{389}}^1$

素因数の和:486

約数の個数: 32

約数和(自身を含む): 33696000

約数和(自身を除く): 13548134

約数列:

[1, 2, 19, 29, 38, 47, 58, 94, 389, 551, 778, 893, 1102, 1363, 1786, 2726, 7391, 11281, 14782, 18283, 22562, 25897, 36566, 51794, 214339, 347377, 428678, 530207, 694754, 1060414, 10073933, 20147866]

約数ペア:

[(1, 20147866), (2, 10073933), (19, 1060414), (29, 694754), (38, 530207), (47, 428678), (58, 347377), (94, 214339), (389, 51794), (551, 36566), (778, 25897), (893, 22562), (1102, 18283), (1363, 14782), (1786, 11281), (2726, 7391)]