20280076

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{3989}}^1$

素因数の和:4065

約数の個数: 24

約数和(自身を含む): 37537920

約数和(自身を除く): 17257844

約数列:

[1, 2, 4, 31, 41, 62, 82, 124, 164, 1271, 2542, 3989, 5084, 7978, 15956, 123659, 163549, 247318, 327098, 494636, 654196, 5070019, 10140038, 20280076]

約数ペア:

[(1, 20280076), (2, 10140038), (4, 5070019), (31, 654196), (41, 494636), (62, 327098), (82, 247318), (124, 163549), (164, 123659), (1271, 15956), (2542, 7978), (3989, 5084)]