20497698

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{9733}}^1$

素因数の和:9760

約数の個数: 40

約数和(自身を含む): 49468188

約数和(自身を除く): 28970490

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 351, 702, 1053, 2106, 9733, 19466, 29199, 58398, 87597, 126529, 175194, 253058, 262791, 379587, 525582, 759174, 788373, 1138761, 1576746, 2277522, 3416283, 6832566, 10248849, 20497698]

約数ペア:

[(1, 20497698), (2, 10248849), (3, 6832566), (6, 3416283), (9, 2277522), (13, 1576746), (18, 1138761), (26, 788373), (27, 759174), (39, 525582), (54, 379587), (78, 262791), (81, 253058), (117, 175194), (162, 126529), (234, 87597), (351, 58398), (702, 29199), (1053, 19466), (2106, 9733)]