20090917186

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1559}}^1\times {\mathrm{19949}}^1$

素因数の和:21546

約数の個数: 32

約数和(自身を含む): 33611760000

約数和(自身を除く): 13520842814

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 1559, 3118, 19949, 26503, 29621, 39898, 53006, 59242, 339133, 379031, 503557, 678266, 758062, 1007114, 6443527, 12887054, 31100491, 62200982, 528708347, 590909329, 1057416694, 1181818658, 10045458593, 20090917186]

約数ペア:

[(1, 20090917186), (2, 10045458593), (17, 1181818658), (19, 1057416694), (34, 590909329), (38, 528708347), (323, 62200982), (646, 31100491), (1559, 12887054), (3118, 6443527), (19949, 1007114), (26503, 758062), (29621, 678266), (39898, 503557), (53006, 379031), (59242, 339133)]