20123433

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 33546240

約数和(自身を除く): 13422807

約数列:

[1, 3, 9, 11, 31, 33, 79, 83, 93, 99, 237, 249, 279, 341, 711, 747, 869, 913, 1023, 2449, 2573, 2607, 2739, 3069, 6557, 7347, 7719, 7821, 8217, 19671, 22041, 23157, 26939, 28303, 59013, 72127, 80817, 84909, 203267, 216381, 242451, 254727, 609801, 649143, 1829403, 2235937, 6707811, 20123433]

約数ペア:

[(1, 20123433), (3, 6707811), (9, 2235937), (11, 1829403), (31, 649143), (33, 609801), (79, 254727), (83, 242451), (93, 216381), (99, 203267), (237, 84909), (249, 80817), (279, 72127), (341, 59013), (711, 28303), (747, 26939), (869, 23157), (913, 22041), (1023, 19671), (2449, 8217), (2573, 7821), (2607, 7719), (2739, 7347), (3069, 6557)]