20022513

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{353}}^1$

素因数の和:473

約数の個数: 32

約数和(自身を含む): 31854336

約数和(自身を除く): 11831823

約数列:

[1, 3, 7, 21, 37, 73, 111, 219, 259, 353, 511, 777, 1059, 1533, 2471, 2701, 7413, 8103, 13061, 18907, 25769, 39183, 56721, 77307, 91427, 180383, 274281, 541149, 953453, 2860359, 6674171, 20022513]

約数ペア:

[(1, 20022513), (3, 6674171), (7, 2860359), (21, 953453), (37, 541149), (73, 274281), (111, 180383), (219, 91427), (259, 77307), (353, 56721), (511, 39183), (777, 25769), (1059, 18907), (1533, 13061), (2471, 8103), (2701, 7413)]