20576399284

素因数分解:

$2^2\times 7^2\times {\mathrm{127}}^1\times {\mathrm{181}}^1\times {\mathrm{4567}}^1$

素因数の和:4893

約数の個数: 72

約数和(自身を含む): 42460035072

約数和(自身を除く): 21883635788

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 127, 181, 196, 254, 362, 508, 724, 889, 1267, 1778, 2534, 3556, 4567, 5068, 6223, 8869, 9134, 12446, 17738, 18268, 22987, 24892, 31969, 35476, 45974, 63938, 91948, 127876, 160909, 223783, 321818, 447566, 580009, 643636, 826627, 895132, 1126363, 1160018, 1653254, 2252726, 2320036, 3306508, 4060063, 4505452, 5786389, 8120126, 11572778, 16240252, 23145556, 28420441, 40504723, 56840882, 81009446, 104981629, 113681764, 162018892, 209963258, 419926516, 734871403, 1469742806, 2939485612, 5144099821, 10288199642, 20576399284]

約数ペア:

[(1, 20576399284), (2, 10288199642), (4, 5144099821), (7, 2939485612), (14, 1469742806), (28, 734871403), (49, 419926516), (98, 209963258), (127, 162018892), (181, 113681764), (196, 104981629), (254, 81009446), (362, 56840882), (508, 40504723), (724, 28420441), (889, 23145556), (1267, 16240252), (1778, 11572778), (2534, 8120126), (3556, 5786389), (4567, 4505452), (5068, 4060063), (6223, 3306508), (8869, 2320036), (9134, 2252726), (12446, 1653254), (17738, 1160018), (18268, 1126363), (22987, 895132), (24892, 826627), (31969, 643636), (35476, 580009), (45974, 447566), (63938, 321818), (91948, 223783), (127876, 160909)]