20131578

素因数分解:

$2^1\times 3^5\times {\mathrm{23}}^1\times {\mathrm{1801}}^1$

素因数の和:1841

約数の個数: 48

約数和(自身を含む): 47226816

約数和(自身を除く): 27095238

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 81, 138, 162, 207, 243, 414, 486, 621, 1242, 1801, 1863, 3602, 3726, 5403, 5589, 10806, 11178, 16209, 32418, 41423, 48627, 82846, 97254, 124269, 145881, 248538, 291762, 372807, 437643, 745614, 875286, 1118421, 2236842, 3355263, 6710526, 10065789, 20131578]

約数ペア:

[(1, 20131578), (2, 10065789), (3, 6710526), (6, 3355263), (9, 2236842), (18, 1118421), (23, 875286), (27, 745614), (46, 437643), (54, 372807), (69, 291762), (81, 248538), (138, 145881), (162, 124269), (207, 97254), (243, 82846), (414, 48627), (486, 41423), (621, 32418), (1242, 16209), (1801, 11178), (1863, 10806), (3602, 5589), (3726, 5403)]