20273198

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{12979}}^1$

素因数の和:13063

約数の個数: 16

約数和(自身を含む): 33644160

約数和(自身を除く): 13370962

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 12979, 25958, 142769, 285538, 921509, 1843018, 10136599, 20273198]

約数ペア:

[(1, 20273198), (2, 10136599), (11, 1843018), (22, 921509), (71, 285538), (142, 142769), (781, 25958), (1562, 12979)]