20008395

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{487}}^1$

素因数の和:592

約数の個数: 48

約数和(自身を含む): 38368512

約数和(自身を除く): 18360117

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 83, 99, 165, 249, 415, 487, 495, 747, 913, 1245, 1461, 2435, 2739, 3735, 4383, 4565, 5357, 7305, 8217, 13695, 16071, 21915, 26785, 40421, 41085, 48213, 80355, 121263, 202105, 241065, 363789, 444631, 606315, 1333893, 1818945, 2223155, 4001679, 6669465, 20008395]

約数ペア:

[(1, 20008395), (3, 6669465), (5, 4001679), (9, 2223155), (11, 1818945), (15, 1333893), (33, 606315), (45, 444631), (55, 363789), (83, 241065), (99, 202105), (165, 121263), (249, 80355), (415, 48213), (487, 41085), (495, 40421), (747, 26785), (913, 21915), (1245, 16071), (1461, 13695), (2435, 8217), (2739, 7305), (3735, 5357), (4383, 4565)]