20992446

素因数分解:

$2^1\times 3^4\times {\mathrm{101}}^1\times {\mathrm{1283}}^1$

素因数の和:1398

約数の個数: 40

約数和(自身を含む): 47541384

約数和(自身を除く): 26548938

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 101, 162, 202, 303, 606, 909, 1283, 1818, 2566, 2727, 3849, 5454, 7698, 8181, 11547, 16362, 23094, 34641, 69282, 103923, 129583, 207846, 259166, 388749, 777498, 1166247, 2332494, 3498741, 6997482, 10496223, 20992446]

約数ペア:

[(1, 20992446), (2, 10496223), (3, 6997482), (6, 3498741), (9, 2332494), (18, 1166247), (27, 777498), (54, 388749), (81, 259166), (101, 207846), (162, 129583), (202, 103923), (303, 69282), (606, 34641), (909, 23094), (1283, 16362), (1818, 11547), (2566, 8181), (2727, 7698), (3849, 5454)]