20945406

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{52103}}^1$

素因数の和:52175

約数の個数: 16

約数和(自身を含む): 42516864

約数和(自身を除く): 21571458

約数列:

[1, 2, 3, 6, 67, 134, 201, 402, 52103, 104206, 156309, 312618, 3490901, 6981802, 10472703, 20945406]

約数ペア:

[(1, 20945406), (2, 10472703), (3, 6981802), (6, 3490901), (67, 312618), (134, 156309), (201, 104206), (402, 52103)]