20507628

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1109}}^1$

素因数の和:1206

約数の個数: 48

約数和(自身を含む): 50722560

約数和(自身を除く): 30214932

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 67, 69, 92, 134, 138, 201, 268, 276, 402, 804, 1109, 1541, 2218, 3082, 3327, 4436, 4623, 6164, 6654, 9246, 13308, 18492, 25507, 51014, 74303, 76521, 102028, 148606, 153042, 222909, 297212, 306084, 445818, 891636, 1708969, 3417938, 5126907, 6835876, 10253814, 20507628]

約数ペア:

[(1, 20507628), (2, 10253814), (3, 6835876), (4, 5126907), (6, 3417938), (12, 1708969), (23, 891636), (46, 445818), (67, 306084), (69, 297212), (92, 222909), (134, 153042), (138, 148606), (201, 102028), (268, 76521), (276, 74303), (402, 51014), (804, 25507), (1109, 18492), (1541, 13308), (2218, 9246), (3082, 6654), (3327, 6164), (4436, 4623)]