20430486

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{809}}^1$

素因数の和:901

約数の個数: 48

約数和(自身を含む): 47005920

約数和(自身を除く): 26575434

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 61, 69, 122, 138, 183, 207, 366, 414, 549, 809, 1098, 1403, 1618, 2427, 2806, 4209, 4854, 7281, 8418, 12627, 14562, 18607, 25254, 37214, 49349, 55821, 98698, 111642, 148047, 167463, 296094, 334926, 444141, 888282, 1135027, 2270054, 3405081, 6810162, 10215243, 20430486]

約数ペア:

[(1, 20430486), (2, 10215243), (3, 6810162), (6, 3405081), (9, 2270054), (18, 1135027), (23, 888282), (46, 444141), (61, 334926), (69, 296094), (122, 167463), (138, 148047), (183, 111642), (207, 98698), (366, 55821), (414, 49349), (549, 37214), (809, 25254), (1098, 18607), (1403, 14562), (1618, 12627), (2427, 8418), (2806, 7281), (4209, 4854)]