20388762758

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{54727}}^1$

素因数の和:54861

約数の個数: 64

約数和(自身を含む): 39719393280

約数和(自身を除く): 19330630522

約数列:

[1, 2, 7, 13, 14, 23, 26, 46, 89, 91, 161, 178, 182, 299, 322, 598, 623, 1157, 1246, 2047, 2093, 2314, 4094, 4186, 8099, 14329, 16198, 26611, 28658, 53222, 54727, 109454, 186277, 372554, 383089, 711451, 766178, 1258721, 1422902, 2517442, 4870703, 4980157, 8811047, 9741406, 9960314, 16363373, 17622094, 32726746, 34094921, 63319139, 68189842, 112026169, 114543611, 126638278, 224052338, 229087222, 443233973, 784183183, 886467946, 1456340197, 1568366366, 2912680394, 10194381379, 20388762758]

約数ペア:

[(1, 20388762758), (2, 10194381379), (7, 2912680394), (13, 1568366366), (14, 1456340197), (23, 886467946), (26, 784183183), (46, 443233973), (89, 229087222), (91, 224052338), (161, 126638278), (178, 114543611), (182, 112026169), (299, 68189842), (322, 63319139), (598, 34094921), (623, 32726746), (1157, 17622094), (1246, 16363373), (2047, 9960314), (2093, 9741406), (2314, 8811047), (4094, 4980157), (4186, 4870703), (8099, 2517442), (14329, 1422902), (16198, 1258721), (26611, 766178), (28658, 711451), (53222, 383089), (54727, 372554), (109454, 186277)]