20462156

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{431}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 42674688

約数和(自身を除く): 22212532

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 83, 143, 166, 286, 332, 431, 572, 862, 913, 1079, 1724, 1826, 2158, 3652, 4316, 4741, 5603, 9482, 11206, 11869, 18964, 22412, 23738, 35773, 47476, 61633, 71546, 123266, 143092, 246532, 393503, 465049, 787006, 930098, 1574012, 1860196, 5115539, 10231078, 20462156]

約数ペア:

[(1, 20462156), (2, 10231078), (4, 5115539), (11, 1860196), (13, 1574012), (22, 930098), (26, 787006), (44, 465049), (52, 393503), (83, 246532), (143, 143092), (166, 123266), (286, 71546), (332, 61633), (431, 47476), (572, 35773), (862, 23738), (913, 22412), (1079, 18964), (1724, 11869), (1826, 11206), (2158, 9482), (3652, 5603), (4316, 4741)]