20513502

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{59981}}^1$

素因数の和:60008

約数の個数: 24

約数和(自身を含む): 46785960

約数和(自身を除く): 26272458

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 59981, 119962, 179943, 359886, 539829, 1079658, 1139639, 2279278, 3418917, 6837834, 10256751, 20513502]

約数ペア:

[(1, 20513502), (2, 10256751), (3, 6837834), (6, 3418917), (9, 2279278), (18, 1139639), (19, 1079658), (38, 539829), (57, 359886), (114, 179943), (171, 119962), (342, 59981)]