20512305786

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{451793}}^1$

素因数の和:451875

約数の個数: 64

約数和(自身を含む): 49964802048

約数和(自身を除く): 29452496262

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 47, 69, 94, 138, 141, 161, 282, 322, 329, 483, 658, 966, 987, 1081, 1974, 2162, 3243, 6486, 7567, 15134, 22701, 45402, 451793, 903586, 1355379, 2710758, 3162551, 6325102, 9487653, 10391239, 18975306, 20782478, 21234271, 31173717, 42468542, 62347434, 63702813, 72738673, 127405626, 145477346, 148639897, 218216019, 297279794, 436432038, 445919691, 488388233, 891839382, 976776466, 1465164699, 2930329398, 3418717631, 6837435262, 10256152893, 20512305786]

約数ペア:

[(1, 20512305786), (2, 10256152893), (3, 6837435262), (6, 3418717631), (7, 2930329398), (14, 1465164699), (21, 976776466), (23, 891839382), (42, 488388233), (46, 445919691), (47, 436432038), (69, 297279794), (94, 218216019), (138, 148639897), (141, 145477346), (161, 127405626), (282, 72738673), (322, 63702813), (329, 62347434), (483, 42468542), (658, 31173717), (966, 21234271), (987, 20782478), (1081, 18975306), (1974, 10391239), (2162, 9487653), (3243, 6325102), (6486, 3162551), (7567, 2710758), (15134, 1355379), (22701, 903586), (45402, 451793)]