20779236

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1787}}^1$

素因数の和:1833

約数の個数: 72

約数和(自身を含む): 58574880

約数和(自身を除く): 37795644

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 19, 34, 36, 38, 51, 57, 68, 76, 102, 114, 153, 171, 204, 228, 306, 323, 342, 612, 646, 684, 969, 1292, 1787, 1938, 2907, 3574, 3876, 5361, 5814, 7148, 10722, 11628, 16083, 21444, 30379, 32166, 33953, 60758, 64332, 67906, 91137, 101859, 121516, 135812, 182274, 203718, 273411, 305577, 364548, 407436, 546822, 577201, 611154, 1093644, 1154402, 1222308, 1731603, 2308804, 3463206, 5194809, 6926412, 10389618, 20779236]

約数ペア:

[(1, 20779236), (2, 10389618), (3, 6926412), (4, 5194809), (6, 3463206), (9, 2308804), (12, 1731603), (17, 1222308), (18, 1154402), (19, 1093644), (34, 611154), (36, 577201), (38, 546822), (51, 407436), (57, 364548), (68, 305577), (76, 273411), (102, 203718), (114, 182274), (153, 135812), (171, 121516), (204, 101859), (228, 91137), (306, 67906), (323, 64332), (342, 60758), (612, 33953), (646, 32166), (684, 30379), (969, 21444), (1292, 16083), (1787, 11628), (1938, 10722), (2907, 7148), (3574, 5814), (3876, 5361)]