20647946

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1051}}^1$

素因数の和:1130

約数の個数: 32

約数和(自身を含む): 36357120

約数和(自身を除く): 15709174

約数列:

[1, 2, 11, 19, 22, 38, 47, 94, 209, 418, 517, 893, 1034, 1051, 1786, 2102, 9823, 11561, 19646, 19969, 23122, 39938, 49397, 98794, 219659, 439318, 543367, 938543, 1086734, 1877086, 10323973, 20647946]

約数ペア:

[(1, 20647946), (2, 10323973), (11, 1877086), (19, 1086734), (22, 938543), (38, 543367), (47, 439318), (94, 219659), (209, 98794), (418, 49397), (517, 39938), (893, 23122), (1034, 19969), (1051, 19646), (1786, 11561), (2102, 9823)]