20172975711

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{409}}^1\times {\mathrm{17929}}^1$

素因数の和:18479

約数の個数: 32

約数和(自身を含む): 31051891200

約数和(自身を除く): 10878915489

約数列:

[1, 3, 7, 21, 131, 393, 409, 917, 1227, 2751, 2863, 8589, 17929, 53579, 53787, 125503, 160737, 375053, 376509, 1125159, 2348699, 7046097, 7332961, 16440893, 21998883, 49322679, 51330727, 153992181, 960617891, 2881853673, 6724325237, 20172975711]

約数ペア:

[(1, 20172975711), (3, 6724325237), (7, 2881853673), (21, 960617891), (131, 153992181), (393, 51330727), (409, 49322679), (917, 21998883), (1227, 16440893), (2751, 7332961), (2863, 7046097), (8589, 2348699), (17929, 1125159), (53579, 376509), (53787, 375053), (125503, 160737)]