20791908

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{25111}}^1$

素因数の和:25144

約数の個数: 36

約数和(自身を含む): 54844608

約数和(自身を除く): 34052700

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 828, 25111, 50222, 75333, 100444, 150666, 225999, 301332, 451998, 577553, 903996, 1155106, 1732659, 2310212, 3465318, 5197977, 6930636, 10395954, 20791908]

約数ペア:

[(1, 20791908), (2, 10395954), (3, 6930636), (4, 5197977), (6, 3465318), (9, 2310212), (12, 1732659), (18, 1155106), (23, 903996), (36, 577553), (46, 451998), (69, 301332), (92, 225999), (138, 150666), (207, 100444), (276, 75333), (414, 50222), (828, 25111)]