20407704

素因数分解:

$2^3\times 3^1\times {\mathrm{131}}^1\times {\mathrm{6491}}^1$

素因数の和:6631

約数の個数: 32

約数和(自身を含む): 51416640

約数和(自身を除く): 31008936

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 131, 262, 393, 524, 786, 1048, 1572, 3144, 6491, 12982, 19473, 25964, 38946, 51928, 77892, 155784, 850321, 1700642, 2550963, 3401284, 5101926, 6802568, 10203852, 20407704]

約数ペア:

[(1, 20407704), (2, 10203852), (3, 6802568), (4, 5101926), (6, 3401284), (8, 2550963), (12, 1700642), (24, 850321), (131, 155784), (262, 77892), (393, 51928), (524, 38946), (786, 25964), (1048, 19473), (1572, 12982), (3144, 6491)]