20057478

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{12907}}^1$

素因数の和:12956

約数の個数: 32

約数和(自身を含む): 47088384

約数和(自身を除く): 27030906

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 222, 259, 518, 777, 1554, 12907, 25814, 38721, 77442, 90349, 180698, 271047, 477559, 542094, 955118, 1432677, 2865354, 3342913, 6685826, 10028739, 20057478]

約数ペア:

[(1, 20057478), (2, 10028739), (3, 6685826), (6, 3342913), (7, 2865354), (14, 1432677), (21, 955118), (37, 542094), (42, 477559), (74, 271047), (111, 180698), (222, 90349), (259, 77442), (518, 38721), (777, 25814), (1554, 12907)]