20489688

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^1\times {\mathrm{12373}}^1$

素因数の和:12408

約数の個数: 48

約数和(自身を含む): 57910320

約数和(自身を除く): 37420632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 46, 69, 72, 92, 138, 184, 207, 276, 414, 552, 828, 1656, 12373, 24746, 37119, 49492, 74238, 98984, 111357, 148476, 222714, 284579, 296952, 445428, 569158, 853737, 890856, 1138316, 1707474, 2276632, 2561211, 3414948, 5122422, 6829896, 10244844, 20489688]

約数ペア:

[(1, 20489688), (2, 10244844), (3, 6829896), (4, 5122422), (6, 3414948), (8, 2561211), (9, 2276632), (12, 1707474), (18, 1138316), (23, 890856), (24, 853737), (36, 569158), (46, 445428), (69, 296952), (72, 284579), (92, 222714), (138, 148476), (184, 111357), (207, 98984), (276, 74238), (414, 49492), (552, 37119), (828, 24746), (1656, 12373)]