20880451648

素因数分解:

$2^6\times 7^1\times {\mathrm{601}}^1\times {\mathrm{77551}}^1$

素因数の和:78171

約数の個数: 56

約数和(自身を含む): 47433284864

約数和(自身を除く): 26552833216

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 601, 1202, 2404, 4207, 4808, 8414, 9616, 16828, 19232, 33656, 38464, 67312, 77551, 134624, 155102, 269248, 310204, 542857, 620408, 1085714, 1240816, 2171428, 2481632, 4342856, 4963264, 8685712, 17371424, 34742848, 46608151, 93216302, 186432604, 326257057, 372865208, 652514114, 745730416, 1305028228, 1491460832, 2610056456, 2982921664, 5220112912, 10440225824, 20880451648]

約数ペア:

[(1, 20880451648), (2, 10440225824), (4, 5220112912), (7, 2982921664), (8, 2610056456), (14, 1491460832), (16, 1305028228), (28, 745730416), (32, 652514114), (56, 372865208), (64, 326257057), (112, 186432604), (224, 93216302), (448, 46608151), (601, 34742848), (1202, 17371424), (2404, 8685712), (4207, 4963264), (4808, 4342856), (8414, 2481632), (9616, 2171428), (16828, 1240816), (19232, 1085714), (33656, 620408), (38464, 542857), (67312, 310204), (77551, 269248), (134624, 155102)]